Merge pull request #7248 from neondatabase/rc/2024-03-26

Release 2024-03-26
This commit is contained in:
John Spray
2024-03-26 15:17:00 +00:00
committed by GitHub
48 changed files with 554 additions and 412 deletions
Generated
-24
View File
@@ -276,7 +276,6 @@ version = "0.1.0"
dependencies = [
"anyhow",
"aws-config",
"aws-sdk-secretsmanager",
"bytes",
"camino",
"clap",
@@ -433,29 +432,6 @@ dependencies = [
"url",
]
[[package]]
name = "aws-sdk-secretsmanager"
version = "1.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0a0b64e61e7d632d9df90a2e0f32630c68c24960cab1d27d848718180af883d3"
dependencies = [
"aws-credential-types",
"aws-runtime",
"aws-smithy-async",
"aws-smithy-http",
"aws-smithy-json",
"aws-smithy-runtime",
"aws-smithy-runtime-api",
"aws-smithy-types",
"aws-types",
"bytes",
"fastrand 2.0.0",
"http 0.2.9",
"once_cell",
"regex-lite",
"tracing",
]
[[package]]
name = "aws-sdk-sso"
version = "1.12.0"
-1
View File
@@ -52,7 +52,6 @@ async-stream = "0.3"
async-trait = "0.1"
aws-config = { version = "1.1.4", default-features = false, features=["rustls"] }
aws-sdk-s3 = "1.14"
aws-sdk-secretsmanager = { version = "1.14.0" }
aws-sdk-iam = "1.15.0"
aws-smithy-async = { version = "1.1.4", default-features = false, features=["rt-tokio"] }
aws-smithy-types = "1.1.4"
@@ -16,7 +16,6 @@ testing = []
[dependencies]
anyhow.workspace = true
aws-config.workspace = true
aws-sdk-secretsmanager.workspace = true
bytes.workspace = true
camino.workspace = true
clap.workspace = true
@@ -139,7 +139,7 @@ impl HeartbeaterTask {
.with_client_retries(
|client| async move { client.get_utilization().await },
&jwt_token,
2,
3,
3,
Duration::from_secs(1),
&cancel,
+78 -102
View File
@@ -3,7 +3,6 @@ use attachment_service::http::make_router;
use attachment_service::metrics::preinitialize_metrics;
use attachment_service::persistence::Persistence;
use attachment_service::service::{Config, Service, MAX_UNAVAILABLE_INTERVAL_DEFAULT};
use aws_config::{BehaviorVersion, Region};
use camino::Utf8PathBuf;
use clap::Parser;
use diesel::Connection;
@@ -55,11 +54,31 @@ struct Cli {
#[arg(long)]
database_url: Option<String>,
/// Flag to enable dev mode, which permits running without auth
#[arg(long, default_value = "false")]
dev: bool,
/// Grace period before marking unresponsive pageserver offline
#[arg(long)]
max_unavailable_interval: Option<humantime::Duration>,
}
enum StrictMode {
/// In strict mode, we will require that all secrets are loaded, i.e. security features
/// may not be implicitly turned off by omitting secrets in the environment.
Strict,
/// In dev mode, secrets are optional, and omitting a particular secret will implicitly
/// disable the auth related to it (e.g. no pageserver jwt key -> send unauthenticated
/// requests, no public key -> don't authenticate incoming requests).
Dev,
}
impl Default for StrictMode {
fn default() -> Self {
Self::Strict
}
}
/// Secrets may either be provided on the command line (for testing), or loaded from AWS SecretManager: this
/// type encapsulates the logic to decide which and do the loading.
struct Secrets {
@@ -70,13 +89,6 @@ struct Secrets {
}
impl Secrets {
const DATABASE_URL_SECRET: &'static str = "rds-neon-storage-controller-url";
const PAGESERVER_JWT_TOKEN_SECRET: &'static str =
"neon-storage-controller-pageserver-jwt-token";
const CONTROL_PLANE_JWT_TOKEN_SECRET: &'static str =
"neon-storage-controller-control-plane-jwt-token";
const PUBLIC_KEY_SECRET: &'static str = "neon-storage-controller-public-key";
const DATABASE_URL_ENV: &'static str = "DATABASE_URL";
const PAGESERVER_JWT_TOKEN_ENV: &'static str = "PAGESERVER_JWT_TOKEN";
const CONTROL_PLANE_JWT_TOKEN_ENV: &'static str = "CONTROL_PLANE_JWT_TOKEN";
@@ -87,111 +99,41 @@ impl Secrets {
/// - Environment variables if DATABASE_URL is set.
/// - AWS Secrets Manager secrets
async fn load(args: &Cli) -> anyhow::Result<Self> {
match &args.database_url {
Some(url) => Self::load_cli(url, args),
None => match std::env::var(Self::DATABASE_URL_ENV) {
Ok(database_url) => Self::load_env(database_url),
Err(_) => Self::load_aws_sm().await,
},
}
}
fn load_env(database_url: String) -> anyhow::Result<Self> {
let public_key = match std::env::var(Self::PUBLIC_KEY_ENV) {
Ok(public_key) => Some(JwtAuth::from_key(public_key).context("Loading public key")?),
Err(_) => None,
};
Ok(Self {
database_url,
public_key,
jwt_token: std::env::var(Self::PAGESERVER_JWT_TOKEN_ENV).ok(),
control_plane_jwt_token: std::env::var(Self::CONTROL_PLANE_JWT_TOKEN_ENV).ok(),
})
}
async fn load_aws_sm() -> anyhow::Result<Self> {
let Ok(region) = std::env::var("AWS_REGION") else {
anyhow::bail!("AWS_REGION is not set, cannot load secrets automatically: either set this, or use CLI args to supply secrets");
};
let config = aws_config::defaults(BehaviorVersion::v2023_11_09())
.region(Region::new(region.clone()))
.load()
.await;
let asm = aws_sdk_secretsmanager::Client::new(&config);
let Some(database_url) = asm
.get_secret_value()
.secret_id(Self::DATABASE_URL_SECRET)
.send()
.await?
.secret_string()
.map(str::to_string)
let Some(database_url) =
Self::load_secret(&args.database_url, Self::DATABASE_URL_ENV).await
else {
anyhow::bail!(
"Database URL secret not found at {region}/{}",
Self::DATABASE_URL_SECRET
"Database URL is not set (set `--database-url`, or `DATABASE_URL` environment)"
)
};
let jwt_token = asm
.get_secret_value()
.secret_id(Self::PAGESERVER_JWT_TOKEN_SECRET)
.send()
.await?
.secret_string()
.map(str::to_string);
if jwt_token.is_none() {
tracing::warn!("No pageserver JWT token set: this will only work if authentication is disabled on the pageserver");
}
let control_plane_jwt_token = asm
.get_secret_value()
.secret_id(Self::CONTROL_PLANE_JWT_TOKEN_SECRET)
.send()
.await?
.secret_string()
.map(str::to_string);
if jwt_token.is_none() {
tracing::warn!("No control plane JWT token set: this will only work if authentication is disabled on the pageserver");
}
let public_key = asm
.get_secret_value()
.secret_id(Self::PUBLIC_KEY_SECRET)
.send()
.await?
.secret_string()
.map(str::to_string);
let public_key = match public_key {
Some(key) => Some(JwtAuth::from_key(key)?),
None => {
tracing::warn!(
"No public key set: inccoming HTTP requests will not be authenticated"
);
None
}
let public_key = match Self::load_secret(&args.public_key, Self::PUBLIC_KEY_ENV).await {
Some(v) => Some(JwtAuth::from_key(v).context("Loading public key")?),
None => None,
};
Ok(Self {
let this = Self {
database_url,
public_key,
jwt_token,
control_plane_jwt_token,
})
jwt_token: Self::load_secret(&args.jwt_token, Self::PAGESERVER_JWT_TOKEN_ENV).await,
control_plane_jwt_token: Self::load_secret(
&args.control_plane_jwt_token,
Self::CONTROL_PLANE_JWT_TOKEN_ENV,
)
.await,
};
Ok(this)
}
fn load_cli(database_url: &str, args: &Cli) -> anyhow::Result<Self> {
let public_key = match &args.public_key {
None => None,
Some(key) => Some(JwtAuth::from_key(key.clone()).context("Loading public key")?),
};
Ok(Self {
database_url: database_url.to_owned(),
public_key,
jwt_token: args.jwt_token.clone(),
control_plane_jwt_token: args.control_plane_jwt_token.clone(),
})
async fn load_secret(cli: &Option<String>, env_name: &str) -> Option<String> {
if let Some(v) = cli {
Some(v.clone())
} else if let Ok(v) = std::env::var(env_name) {
Some(v)
} else {
None
}
}
}
@@ -247,8 +189,42 @@ async fn async_main() -> anyhow::Result<()> {
args.listen
);
let strict_mode = if args.dev {
StrictMode::Dev
} else {
StrictMode::Strict
};
let secrets = Secrets::load(&args).await?;
// Validate required secrets and arguments are provided in strict mode
match strict_mode {
StrictMode::Strict
if (secrets.public_key.is_none()
|| secrets.jwt_token.is_none()
|| secrets.control_plane_jwt_token.is_none()) =>
{
// Production systems should always have secrets configured: if public_key was not set
// then we would implicitly disable auth.
anyhow::bail!(
"Insecure config! One or more secrets is not set. This is only permitted in `--dev` mode"
);
}
StrictMode::Strict if args.compute_hook_url.is_none() => {
// Production systems should always have a compute hook set, to prevent falling
// back to trying to use neon_local.
anyhow::bail!(
"`--compute-hook-url` is not set: this is only permitted in `--dev` mode"
);
}
StrictMode::Strict => {
tracing::info!("Starting in strict mode: configuration is OK.")
}
StrictMode::Dev => {
tracing::warn!("Starting in dev mode: this may be an insecure configuration.")
}
}
let config = Config {
jwt_token: secrets.jwt_token,
control_plane_jwt_token: secrets.control_plane_jwt_token,
+1 -1
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@@ -294,7 +294,7 @@ where
// is in state 'taken' but the thread that would unlock it is
// not there.
// 2. A rust object that represented some external resource in the
// parent now got implicitly copied by the the fork, even though
// parent now got implicitly copied by the fork, even though
// the object's type is not `Copy`. The parent program may use
// non-copyability as way to enforce unique ownership of an
// external resource in the typesystem. The fork breaks that
+1 -1
View File
@@ -12,7 +12,7 @@
//!
//! The endpoint is managed by the `compute_ctl` binary. When an endpoint is
//! started, we launch `compute_ctl` It synchronizes the safekeepers, downloads
//! the basebackup from the pageserver to initialize the the data directory, and
//! the basebackup from the pageserver to initialize the data directory, and
//! finally launches the PostgreSQL process. It watches the PostgreSQL process
//! until it exits.
//!
+1
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@@ -279,6 +279,7 @@ impl StorageController {
&self.listen,
"-p",
self.path.as_ref(),
"--dev",
"--database-url",
&database_url,
"--max-unavailable-interval",
@@ -1,5 +1,6 @@
use anyhow::*;
use clap::{value_parser, Arg, ArgMatches, Command};
use postgres::Client;
use std::{path::PathBuf, str::FromStr};
use wal_craft::*;
@@ -8,8 +9,8 @@ fn main() -> Result<()> {
.init();
let arg_matches = cli().get_matches();
let wal_craft = |arg_matches: &ArgMatches, client| {
let (intermediate_lsns, end_of_wal_lsn) = match arg_matches
let wal_craft = |arg_matches: &ArgMatches, client: &mut Client| {
let intermediate_lsns = match arg_matches
.get_one::<String>("type")
.map(|s| s.as_str())
.context("'type' is required")?
@@ -25,6 +26,7 @@ fn main() -> Result<()> {
LastWalRecordCrossingSegment::NAME => LastWalRecordCrossingSegment::craft(client)?,
a => panic!("Unknown --type argument: {a}"),
};
let end_of_wal_lsn = client.pg_current_wal_insert_lsn()?;
for lsn in intermediate_lsns {
println!("intermediate_lsn = {lsn}");
}
+58 -68
View File
@@ -5,7 +5,6 @@ use postgres::types::PgLsn;
use postgres::Client;
use postgres_ffi::{WAL_SEGMENT_SIZE, XLOG_BLCKSZ};
use postgres_ffi::{XLOG_SIZE_OF_XLOG_RECORD, XLOG_SIZE_OF_XLOG_SHORT_PHD};
use std::cmp::Ordering;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::time::{Duration, Instant};
@@ -232,59 +231,52 @@ pub fn ensure_server_config(client: &mut impl postgres::GenericClient) -> anyhow
pub trait Crafter {
const NAME: &'static str;
/// Generates WAL using the client `client`. Returns a pair of:
/// * A vector of some valid "interesting" intermediate LSNs which one may start reading from.
/// May include or exclude Lsn(0) and the end-of-wal.
/// * The expected end-of-wal LSN.
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)>;
/// Generates WAL using the client `client`. Returns a vector of some valid
/// "interesting" intermediate LSNs which one may start reading from.
/// test_end_of_wal uses this to check various starting points.
///
/// Note that postgres is generally keen about writing some WAL. While we
/// try to disable it (autovacuum, big wal_writer_delay, etc) it is always
/// possible, e.g. xl_running_xacts are dumped each 15s. So checks about
/// stable WAL end would be flaky unless postgres is shut down. For this
/// reason returning potential end of WAL here is pointless. Most of the
/// time this doesn't happen though, so it is reasonable to create needed
/// WAL structure and immediately kill postgres like test_end_of_wal does.
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>>;
}
/// Wraps some WAL craft function, providing current LSN to it before the
/// insertion and flushing WAL afterwards. Also pushes initial LSN to the
/// result.
fn craft_internal<C: postgres::GenericClient>(
client: &mut C,
f: impl Fn(&mut C, PgLsn) -> anyhow::Result<(Vec<PgLsn>, Option<PgLsn>)>,
) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
f: impl Fn(&mut C, PgLsn) -> anyhow::Result<Vec<PgLsn>>,
) -> anyhow::Result<Vec<PgLsn>> {
ensure_server_config(client)?;
let initial_lsn = client.pg_current_wal_insert_lsn()?;
info!("LSN initial = {}", initial_lsn);
let (mut intermediate_lsns, last_lsn) = f(client, initial_lsn)?;
let last_lsn = match last_lsn {
None => client.pg_current_wal_insert_lsn()?,
Some(last_lsn) => {
let insert_lsn = client.pg_current_wal_insert_lsn()?;
match last_lsn.cmp(&insert_lsn) {
Ordering::Less => bail!(
"Some records were inserted after the crafted WAL: {} vs {}",
last_lsn,
insert_lsn
),
Ordering::Equal => last_lsn,
Ordering::Greater => bail!("Reported LSN is greater than insert_lsn"),
}
}
};
let mut intermediate_lsns = f(client, initial_lsn)?;
if !intermediate_lsns.starts_with(&[initial_lsn]) {
intermediate_lsns.insert(0, initial_lsn);
}
// Some records may be not flushed, e.g. non-transactional logical messages.
//
// Note: this is broken if pg_current_wal_insert_lsn is at page boundary
// because pg_current_wal_insert_lsn skips page headers.
client.execute("select neon_xlogflush(pg_current_wal_insert_lsn())", &[])?;
match last_lsn.cmp(&client.pg_current_wal_flush_lsn()?) {
Ordering::Less => bail!("Some records were flushed after the crafted WAL"),
Ordering::Equal => {}
Ordering::Greater => bail!("Reported LSN is greater than flush_lsn"),
}
Ok((intermediate_lsns, last_lsn))
Ok(intermediate_lsns)
}
pub struct Simple;
impl Crafter for Simple {
const NAME: &'static str = "simple";
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>> {
craft_internal(client, |client, _| {
client.execute("CREATE table t(x int)", &[])?;
Ok((Vec::new(), None))
Ok(Vec::new())
})
}
}
@@ -292,29 +284,36 @@ impl Crafter for Simple {
pub struct LastWalRecordXlogSwitch;
impl Crafter for LastWalRecordXlogSwitch {
const NAME: &'static str = "last_wal_record_xlog_switch";
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
// Do not use generate_internal because here we end up with flush_lsn exactly on
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>> {
// Do not use craft_internal because here we end up with flush_lsn exactly on
// the segment boundary and insert_lsn after the initial page header, which is unusual.
ensure_server_config(client)?;
client.execute("CREATE table t(x int)", &[])?;
let before_xlog_switch = client.pg_current_wal_insert_lsn()?;
let after_xlog_switch: PgLsn = client.query_one("SELECT pg_switch_wal()", &[])?.get(0);
let next_segment = PgLsn::from(0x0200_0000);
// pg_switch_wal returns end of last record of the switched segment,
// i.e. end of SWITCH itself.
let xlog_switch_record_end: PgLsn = client.query_one("SELECT pg_switch_wal()", &[])?.get(0);
let before_xlog_switch_u64 = u64::from(before_xlog_switch);
let next_segment = PgLsn::from(
before_xlog_switch_u64 - (before_xlog_switch_u64 % WAL_SEGMENT_SIZE as u64)
+ WAL_SEGMENT_SIZE as u64,
);
ensure!(
after_xlog_switch <= next_segment,
"XLOG_SWITCH message ended after the expected segment boundary: {} > {}",
after_xlog_switch,
xlog_switch_record_end <= next_segment,
"XLOG_SWITCH record ended after the expected segment boundary: {} > {}",
xlog_switch_record_end,
next_segment
);
Ok((vec![before_xlog_switch, after_xlog_switch], next_segment))
Ok(vec![before_xlog_switch, xlog_switch_record_end])
}
}
pub struct LastWalRecordXlogSwitchEndsOnPageBoundary;
/// Craft xlog SWITCH record ending at page boundary.
impl Crafter for LastWalRecordXlogSwitchEndsOnPageBoundary {
const NAME: &'static str = "last_wal_record_xlog_switch_ends_on_page_boundary";
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>> {
// Do not use generate_internal because here we end up with flush_lsn exactly on
// the segment boundary and insert_lsn after the initial page header, which is unusual.
ensure_server_config(client)?;
@@ -361,28 +360,29 @@ impl Crafter for LastWalRecordXlogSwitchEndsOnPageBoundary {
// Emit the XLOG_SWITCH
let before_xlog_switch = client.pg_current_wal_insert_lsn()?;
let after_xlog_switch: PgLsn = client.query_one("SELECT pg_switch_wal()", &[])?.get(0);
let xlog_switch_record_end: PgLsn = client.query_one("SELECT pg_switch_wal()", &[])?.get(0);
let next_segment = PgLsn::from(0x0200_0000);
ensure!(
after_xlog_switch < next_segment,
"XLOG_SWITCH message ended on or after the expected segment boundary: {} > {}",
after_xlog_switch,
xlog_switch_record_end < next_segment,
"XLOG_SWITCH record ended on or after the expected segment boundary: {} > {}",
xlog_switch_record_end,
next_segment
);
ensure!(
u64::from(after_xlog_switch) as usize % XLOG_BLCKSZ == XLOG_SIZE_OF_XLOG_SHORT_PHD,
u64::from(xlog_switch_record_end) as usize % XLOG_BLCKSZ == XLOG_SIZE_OF_XLOG_SHORT_PHD,
"XLOG_SWITCH message ended not on page boundary: {}, offset = {}",
after_xlog_switch,
u64::from(after_xlog_switch) as usize % XLOG_BLCKSZ
xlog_switch_record_end,
u64::from(xlog_switch_record_end) as usize % XLOG_BLCKSZ
);
Ok((vec![before_xlog_switch, after_xlog_switch], next_segment))
Ok(vec![before_xlog_switch, xlog_switch_record_end])
}
}
fn craft_single_logical_message(
/// Write ~16MB logical message; it should cross WAL segment.
fn craft_seg_size_logical_message(
client: &mut impl postgres::GenericClient,
transactional: bool,
) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
) -> anyhow::Result<Vec<PgLsn>> {
craft_internal(client, |client, initial_lsn| {
ensure!(
initial_lsn < PgLsn::from(0x0200_0000 - 1024 * 1024),
@@ -405,34 +405,24 @@ fn craft_single_logical_message(
"Logical message crossed two segments"
);
if transactional {
// Transactional logical messages are part of a transaction, so the one above is
// followed by a small COMMIT record.
let after_message_lsn = client.pg_current_wal_insert_lsn()?;
ensure!(
message_lsn < after_message_lsn,
"No record found after the emitted message"
);
Ok((vec![message_lsn], Some(after_message_lsn)))
} else {
Ok((Vec::new(), Some(message_lsn)))
}
Ok(vec![message_lsn])
})
}
pub struct WalRecordCrossingSegmentFollowedBySmallOne;
impl Crafter for WalRecordCrossingSegmentFollowedBySmallOne {
const NAME: &'static str = "wal_record_crossing_segment_followed_by_small_one";
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
craft_single_logical_message(client, true)
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>> {
// Transactional message crossing WAL segment will be followed by small
// commit record.
craft_seg_size_logical_message(client, true)
}
}
pub struct LastWalRecordCrossingSegment;
impl Crafter for LastWalRecordCrossingSegment {
const NAME: &'static str = "last_wal_record_crossing_segment";
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<(Vec<PgLsn>, PgLsn)> {
craft_single_logical_message(client, false)
fn craft(client: &mut impl postgres::GenericClient) -> anyhow::Result<Vec<PgLsn>> {
craft_seg_size_logical_message(client, false)
}
}
@@ -11,13 +11,15 @@ use utils::const_assert;
use utils::lsn::Lsn;
fn init_logging() {
let _ = env_logger::Builder::from_env(env_logger::Env::default().default_filter_or(
format!("crate=info,postgres_ffi::{PG_MAJORVERSION}::xlog_utils=trace"),
))
let _ = env_logger::Builder::from_env(env_logger::Env::default().default_filter_or(format!(
"crate=info,postgres_ffi::{PG_MAJORVERSION}::xlog_utils=trace"
)))
.is_test(true)
.try_init();
}
/// Test that find_end_of_wal returns the same results as pg_dump on various
/// WALs created by Crafter.
fn test_end_of_wal<C: crate::Crafter>(test_name: &str) {
use crate::*;
@@ -38,13 +40,13 @@ fn test_end_of_wal<C: crate::Crafter>(test_name: &str) {
}
cfg.initdb().unwrap();
let srv = cfg.start_server().unwrap();
let (intermediate_lsns, expected_end_of_wal_partial) =
C::craft(&mut srv.connect_with_timeout().unwrap()).unwrap();
let intermediate_lsns = C::craft(&mut srv.connect_with_timeout().unwrap()).unwrap();
let intermediate_lsns: Vec<Lsn> = intermediate_lsns
.iter()
.map(|&lsn| u64::from(lsn).into())
.collect();
let expected_end_of_wal: Lsn = u64::from(expected_end_of_wal_partial).into();
// Kill postgres. Note that it might have inserted to WAL something after
// 'craft' did its job.
srv.kill();
// Check find_end_of_wal on the initial WAL
@@ -56,7 +58,7 @@ fn test_end_of_wal<C: crate::Crafter>(test_name: &str) {
.filter(|fname| IsXLogFileName(fname))
.max()
.unwrap();
check_pg_waldump_end_of_wal(&cfg, &last_segment, expected_end_of_wal);
let expected_end_of_wal = find_pg_waldump_end_of_wal(&cfg, &last_segment);
for start_lsn in intermediate_lsns
.iter()
.chain(std::iter::once(&expected_end_of_wal))
@@ -91,11 +93,7 @@ fn test_end_of_wal<C: crate::Crafter>(test_name: &str) {
}
}
fn check_pg_waldump_end_of_wal(
cfg: &crate::Conf,
last_segment: &str,
expected_end_of_wal: Lsn,
) {
fn find_pg_waldump_end_of_wal(cfg: &crate::Conf, last_segment: &str) -> Lsn {
// Get the actual end of WAL by pg_waldump
let waldump_output = cfg
.pg_waldump("000000010000000000000001", last_segment)
@@ -113,11 +111,8 @@ fn check_pg_waldump_end_of_wal(
}
};
let waldump_wal_end = Lsn::from_str(caps.get(1).unwrap().as_str()).unwrap();
info!(
"waldump erred on {}, expected wal end at {}",
waldump_wal_end, expected_end_of_wal
);
assert_eq!(waldump_wal_end, expected_end_of_wal);
info!("waldump erred on {}", waldump_wal_end);
waldump_wal_end
}
fn check_end_of_wal(
@@ -210,9 +205,9 @@ pub fn test_update_next_xid() {
#[test]
pub fn test_encode_logical_message() {
let expected = [
64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 170, 34, 166, 227, 255,
38, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 112, 114,
101, 102, 105, 120, 0, 109, 101, 115, 115, 97, 103, 101,
64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 170, 34, 166, 227, 255, 38,
0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 112, 114, 101, 102,
105, 120, 0, 109, 101, 115, 115, 97, 103, 101,
];
let actual = encode_logical_message("prefix", "message");
assert_eq!(expected, actual[..]);
+1 -1
View File
@@ -247,7 +247,7 @@ fn scenario_4() {
//
// This is in total 5000 + 1000 + 5000 + 1000 = 12000
//
// (If we used the the method from the previous scenario, and
// (If we used the method from the previous scenario, and
// kept only snapshot at the branch point, we'd need to keep
// all the WAL between 10000-18000 on the main branch, so
// the total size would be 5000 + 1000 + 8000 = 14000. The
+1 -1
View File
@@ -69,7 +69,7 @@ pub struct Config {
/// should be removed once we have a better solution there.
sys_buffer_bytes: u64,
/// Minimum fraction of total system memory reserved *before* the the cgroup threshold; in
/// Minimum fraction of total system memory reserved *before* the cgroup threshold; in
/// other words, providing a ceiling for the highest value of the threshold by enforcing that
/// there's at least `cgroup_min_overhead_fraction` of the total memory remaining beyond the
/// threshold.
+44 -36
View File
@@ -15,9 +15,9 @@ use metrics::launch_timestamp::{set_launch_timestamp_metric, LaunchTimestamp};
use pageserver::control_plane_client::ControlPlaneClient;
use pageserver::disk_usage_eviction_task::{self, launch_disk_usage_global_eviction_task};
use pageserver::metrics::{STARTUP_DURATION, STARTUP_IS_LOADING};
use pageserver::task_mgr::WALRECEIVER_RUNTIME;
use pageserver::tenant::{secondary, TenantSharedResources};
use remote_storage::GenericRemoteStorage;
use tokio::signal::unix::SignalKind;
use tokio::time::Instant;
use tracing::*;
@@ -28,7 +28,7 @@ use pageserver::{
deletion_queue::DeletionQueue,
http, page_cache, page_service, task_mgr,
task_mgr::TaskKind,
task_mgr::THE_RUNTIME,
task_mgr::{BACKGROUND_RUNTIME, COMPUTE_REQUEST_RUNTIME, MGMT_REQUEST_RUNTIME},
tenant::mgr,
virtual_file,
};
@@ -323,7 +323,7 @@ fn start_pageserver(
// Launch broker client
// The storage_broker::connect call needs to happen inside a tokio runtime thread.
let broker_client = THE_RUNTIME
let broker_client = WALRECEIVER_RUNTIME
.block_on(async {
// Note: we do not attempt connecting here (but validate endpoints sanity).
storage_broker::connect(conf.broker_endpoint.clone(), conf.broker_keepalive_interval)
@@ -391,7 +391,7 @@ fn start_pageserver(
conf,
);
if let Some(deletion_workers) = deletion_workers {
deletion_workers.spawn_with(THE_RUNTIME.handle());
deletion_workers.spawn_with(BACKGROUND_RUNTIME.handle());
}
// Up to this point no significant I/O has been done: this should have been fast. Record
@@ -423,7 +423,7 @@ fn start_pageserver(
// Scan the local 'tenants/' directory and start loading the tenants
let deletion_queue_client = deletion_queue.new_client();
let tenant_manager = THE_RUNTIME.block_on(mgr::init_tenant_mgr(
let tenant_manager = BACKGROUND_RUNTIME.block_on(mgr::init_tenant_mgr(
conf,
TenantSharedResources {
broker_client: broker_client.clone(),
@@ -435,7 +435,7 @@ fn start_pageserver(
))?;
let tenant_manager = Arc::new(tenant_manager);
THE_RUNTIME.spawn({
BACKGROUND_RUNTIME.spawn({
let shutdown_pageserver = shutdown_pageserver.clone();
let drive_init = async move {
// NOTE: unlike many futures in pageserver, this one is cancellation-safe
@@ -545,7 +545,7 @@ fn start_pageserver(
// Start up the service to handle HTTP mgmt API request. We created the
// listener earlier already.
{
let _rt_guard = THE_RUNTIME.enter();
let _rt_guard = MGMT_REQUEST_RUNTIME.enter();
let router_state = Arc::new(
http::routes::State::new(
@@ -569,6 +569,7 @@ fn start_pageserver(
.with_graceful_shutdown(task_mgr::shutdown_watcher());
task_mgr::spawn(
MGMT_REQUEST_RUNTIME.handle(),
TaskKind::HttpEndpointListener,
None,
None,
@@ -593,6 +594,7 @@ fn start_pageserver(
let local_disk_storage = conf.workdir.join("last_consumption_metrics.json");
task_mgr::spawn(
crate::BACKGROUND_RUNTIME.handle(),
TaskKind::MetricsCollection,
None,
None,
@@ -641,6 +643,7 @@ fn start_pageserver(
DownloadBehavior::Error,
);
task_mgr::spawn(
COMPUTE_REQUEST_RUNTIME.handle(),
TaskKind::LibpqEndpointListener,
None,
None,
@@ -664,37 +667,42 @@ fn start_pageserver(
let mut shutdown_pageserver = Some(shutdown_pageserver.drop_guard());
// All started up! Now just sit and wait for shutdown signal.
{
THE_RUNTIME.block_on(async move {
let mut sigint = tokio::signal::unix::signal(SignalKind::interrupt()).unwrap();
let mut sigterm = tokio::signal::unix::signal(SignalKind::terminate()).unwrap();
let mut sigquit = tokio::signal::unix::signal(SignalKind::quit()).unwrap();
let signal = tokio::select! {
_ = sigquit.recv() => {
info!("Got signal SIGQUIT. Terminating in immediate shutdown mode",);
std::process::exit(111);
}
_ = sigint.recv() => { "SIGINT" },
_ = sigterm.recv() => { "SIGTERM" },
};
use signal_hook::consts::*;
let signal_handler = BACKGROUND_RUNTIME.spawn_blocking(move || {
let mut signals =
signal_hook::iterator::Signals::new([SIGINT, SIGTERM, SIGQUIT]).unwrap();
return signals
.forever()
.next()
.expect("forever() never returns None unless explicitly closed");
});
let signal = BACKGROUND_RUNTIME
.block_on(signal_handler)
.expect("join error");
match signal {
SIGQUIT => {
info!("Got signal {signal}. Terminating in immediate shutdown mode",);
std::process::exit(111);
}
SIGINT | SIGTERM => {
info!("Got signal {signal}. Terminating gracefully in fast shutdown mode",);
info!("Got signal {signal}. Terminating gracefully in fast shutdown mode",);
// This cancels the `shutdown_pageserver` cancellation tree.
// Right now that tree doesn't reach very far, and `task_mgr` is used instead.
// The plan is to change that over time.
shutdown_pageserver.take();
let bg_remote_storage = remote_storage.clone();
let bg_deletion_queue = deletion_queue.clone();
pageserver::shutdown_pageserver(
&tenant_manager,
bg_remote_storage.map(|_| bg_deletion_queue),
0,
)
.await;
unreachable!()
})
// This cancels the `shutdown_pageserver` cancellation tree.
// Right now that tree doesn't reach very far, and `task_mgr` is used instead.
// The plan is to change that over time.
shutdown_pageserver.take();
let bg_remote_storage = remote_storage.clone();
let bg_deletion_queue = deletion_queue.clone();
BACKGROUND_RUNTIME.block_on(pageserver::shutdown_pageserver(
&tenant_manager,
bg_remote_storage.map(|_| bg_deletion_queue),
0,
));
unreachable!()
}
_ => unreachable!(),
}
}
}
+2 -1
View File
@@ -1,7 +1,7 @@
//! Periodically collect consumption metrics for all active tenants
//! and push them to a HTTP endpoint.
use crate::context::{DownloadBehavior, RequestContext};
use crate::task_mgr::{self, TaskKind};
use crate::task_mgr::{self, TaskKind, BACKGROUND_RUNTIME};
use crate::tenant::tasks::BackgroundLoopKind;
use crate::tenant::{mgr, LogicalSizeCalculationCause, PageReconstructError, Tenant};
use camino::Utf8PathBuf;
@@ -61,6 +61,7 @@ pub async fn collect_metrics(
let worker_ctx =
ctx.detached_child(TaskKind::CalculateSyntheticSize, DownloadBehavior::Download);
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::CalculateSyntheticSize,
None,
None,
+3 -1
View File
@@ -173,6 +173,8 @@ impl ControlPlaneGenerationsApi for ControlPlaneClient {
register,
};
fail::fail_point!("control-plane-client-re-attach");
let response: ReAttachResponse = self.retry_http_forever(&re_attach_path, request).await?;
tracing::info!(
"Received re-attach response with {} tenants",
@@ -208,7 +210,7 @@ impl ControlPlaneGenerationsApi for ControlPlaneClient {
.collect(),
};
crate::tenant::pausable_failpoint!("control-plane-client-validate");
fail::fail_point!("control-plane-client-validate");
let response: ValidateResponse = self.retry_http_forever(&re_attach_path, request).await?;
+2 -1
View File
@@ -59,7 +59,7 @@ use utils::{completion, id::TimelineId};
use crate::{
config::PageServerConf,
metrics::disk_usage_based_eviction::METRICS,
task_mgr::{self, TaskKind},
task_mgr::{self, TaskKind, BACKGROUND_RUNTIME},
tenant::{
self,
mgr::TenantManager,
@@ -202,6 +202,7 @@ pub fn launch_disk_usage_global_eviction_task(
info!("launching disk usage based eviction task");
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::DiskUsageEviction,
None,
None,
+9 -1
View File
@@ -435,7 +435,7 @@ pub(crate) static RESIDENT_PHYSICAL_SIZE_GLOBAL: Lazy<UIntGauge> = Lazy::new(||
static REMOTE_PHYSICAL_SIZE: Lazy<UIntGaugeVec> = Lazy::new(|| {
register_uint_gauge_vec!(
"pageserver_remote_physical_size",
"The size of the layer files present in the remote storage that are listed in the the remote index_part.json.",
"The size of the layer files present in the remote storage that are listed in the remote index_part.json.",
// Corollary: If any files are missing from the index part, they won't be included here.
&["tenant_id", "shard_id", "timeline_id"]
)
@@ -699,6 +699,14 @@ pub static STARTUP_IS_LOADING: Lazy<UIntGauge> = Lazy::new(|| {
.expect("Failed to register pageserver_startup_is_loading")
});
pub(crate) static TIMELINE_EPHEMERAL_BYTES: Lazy<UIntGauge> = Lazy::new(|| {
register_uint_gauge!(
"pageserver_timeline_ephemeral_bytes",
"Total number of bytes in ephemeral layers, summed for all timelines. Approximate, lazily updated."
)
.expect("Failed to register metric")
});
/// Metrics related to the lifecycle of a [`crate::tenant::Tenant`] object: things
/// like how long it took to load.
///
+1
View File
@@ -180,6 +180,7 @@ pub async fn libpq_listener_main(
// only deal with a particular timeline, but we don't know which one
// yet.
task_mgr::spawn(
&tokio::runtime::Handle::current(),
TaskKind::PageRequestHandler,
None,
None,
+30 -9
View File
@@ -98,22 +98,42 @@ use utils::id::TimelineId;
// other operations, if the upload tasks e.g. get blocked on locks. It shouldn't
// happen, but still.
//
/// The single tokio runtime used by all pageserver code.
/// In the past, we had multiple runtimes, and in the future we should weed out
/// remaining references to this global field and rely on ambient runtime instead,
/// i.e., use `tokio::spawn` instead of `THE_RUNTIME.spawn()`, etc.
pub static THE_RUNTIME: Lazy<Runtime> = Lazy::new(|| {
pub static COMPUTE_REQUEST_RUNTIME: Lazy<Runtime> = Lazy::new(|| {
tokio::runtime::Builder::new_multi_thread()
.thread_name("compute request worker")
.enable_all()
.build()
.expect("Failed to create compute request runtime")
});
pub static MGMT_REQUEST_RUNTIME: Lazy<Runtime> = Lazy::new(|| {
tokio::runtime::Builder::new_multi_thread()
.thread_name("mgmt request worker")
.enable_all()
.build()
.expect("Failed to create mgmt request runtime")
});
pub static WALRECEIVER_RUNTIME: Lazy<Runtime> = Lazy::new(|| {
tokio::runtime::Builder::new_multi_thread()
.thread_name("walreceiver worker")
.enable_all()
.build()
.expect("Failed to create walreceiver runtime")
});
pub static BACKGROUND_RUNTIME: Lazy<Runtime> = Lazy::new(|| {
tokio::runtime::Builder::new_multi_thread()
.thread_name("background op worker")
// if you change the number of worker threads please change the constant below
.enable_all()
.build()
.expect("Failed to create background op runtime")
});
pub(crate) static THE_RUNTIME_WORKER_THREADS: Lazy<usize> = Lazy::new(|| {
pub(crate) static BACKGROUND_RUNTIME_WORKER_THREADS: Lazy<usize> = Lazy::new(|| {
// force init and thus panics
let _ = THE_RUNTIME.handle();
let _ = BACKGROUND_RUNTIME.handle();
// replicates tokio-1.28.1::loom::sys::num_cpus which is not available publicly
// tokio would had already panicked for parsing errors or NotUnicode
//
@@ -305,6 +325,7 @@ struct PageServerTask {
/// Note: if shutdown_process_on_error is set to true failure
/// of the task will lead to shutdown of entire process
pub fn spawn<F>(
runtime: &tokio::runtime::Handle,
kind: TaskKind,
tenant_shard_id: Option<TenantShardId>,
timeline_id: Option<TimelineId>,
@@ -333,7 +354,7 @@ where
let task_name = name.to_string();
let task_cloned = Arc::clone(&task);
let join_handle = THE_RUNTIME.spawn(task_wrapper(
let join_handle = runtime.spawn(task_wrapper(
task_name,
task_id,
task_cloned,
+2 -2
View File
@@ -144,7 +144,6 @@ macro_rules! pausable_failpoint {
}
};
}
pub(crate) use pausable_failpoint;
pub mod blob_io;
pub mod block_io;
@@ -662,6 +661,7 @@ impl Tenant {
let tenant_clone = Arc::clone(&tenant);
let ctx = ctx.detached_child(TaskKind::Attach, DownloadBehavior::Warn);
task_mgr::spawn(
&tokio::runtime::Handle::current(),
TaskKind::Attach,
Some(tenant_shard_id),
None,
@@ -2141,7 +2141,7 @@ impl Tenant {
// Shut down the timeline's remote client: this means that the indices we write
// for child shards will not be invalidated by the parent shard deleting layers.
tl_client.shutdown().await?;
tl_client.shutdown().await;
// Download methods can still be used after shutdown, as they don't flow through the remote client's
// queue. In principal the RemoteTimelineClient could provide this without downloading it, but this
+1
View File
@@ -482,6 +482,7 @@ impl DeleteTenantFlow {
let tenant_shard_id = tenant.tenant_shard_id;
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
TaskKind::TimelineDeletionWorker,
Some(tenant_shard_id),
None,
+4
View File
@@ -1850,6 +1850,7 @@ impl TenantManager {
let task_tenant_id = None;
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
TaskKind::MgmtRequest,
task_tenant_id,
None,
@@ -2815,12 +2816,15 @@ pub(crate) fn immediate_gc(
// TODO: spawning is redundant now, need to hold the gate
task_mgr::spawn(
&tokio::runtime::Handle::current(),
TaskKind::GarbageCollector,
Some(tenant_shard_id),
Some(timeline_id),
&format!("timeline_gc_handler garbage collection run for tenant {tenant_shard_id} timeline {timeline_id}"),
false,
async move {
fail::fail_point!("immediate_gc_task_pre");
#[allow(unused_mut)]
let mut result = tenant
.gc_iteration(Some(timeline_id), gc_horizon, pitr, &cancel, &ctx)
+45 -43
View File
@@ -217,12 +217,13 @@ use crate::task_mgr::shutdown_token;
use crate::tenant::debug_assert_current_span_has_tenant_and_timeline_id;
use crate::tenant::remote_timeline_client::download::download_retry;
use crate::tenant::storage_layer::AsLayerDesc;
use crate::tenant::upload_queue::Delete;
use crate::tenant::upload_queue::{Delete, UploadQueueStoppedDeletable};
use crate::tenant::TIMELINES_SEGMENT_NAME;
use crate::{
config::PageServerConf,
task_mgr,
task_mgr::TaskKind,
task_mgr::BACKGROUND_RUNTIME,
tenant::metadata::TimelineMetadata,
tenant::upload_queue::{
UploadOp, UploadQueue, UploadQueueInitialized, UploadQueueStopped, UploadTask,
@@ -265,15 +266,6 @@ pub enum MaybeDeletedIndexPart {
Deleted(IndexPart),
}
/// Errors that can arise when calling [`RemoteTimelineClient::stop`].
#[derive(Debug, thiserror::Error)]
pub enum StopError {
/// Returned if the upload queue was never initialized.
/// See [`RemoteTimelineClient::init_upload_queue`] and [`RemoteTimelineClient::init_upload_queue_for_empty_remote`].
#[error("queue is not initialized")]
QueueUninitialized,
}
#[derive(Debug, thiserror::Error)]
pub enum PersistIndexPartWithDeletedFlagError {
#[error("another task is already setting the deleted_flag, started at {0:?}")]
@@ -306,6 +298,8 @@ pub enum PersistIndexPartWithDeletedFlagError {
pub struct RemoteTimelineClient {
conf: &'static PageServerConf,
runtime: tokio::runtime::Handle,
tenant_shard_id: TenantShardId,
timeline_id: TimelineId,
generation: Generation,
@@ -338,6 +332,12 @@ impl RemoteTimelineClient {
) -> RemoteTimelineClient {
RemoteTimelineClient {
conf,
runtime: if cfg!(test) {
// remote_timeline_client.rs tests rely on current-thread runtime
tokio::runtime::Handle::current()
} else {
BACKGROUND_RUNTIME.handle().clone()
},
tenant_shard_id,
timeline_id,
generation,
@@ -390,15 +390,10 @@ impl RemoteTimelineClient {
"bug: it is responsibility of the caller to provide index part from MaybeDeletedIndexPart::Deleted"
))?;
{
let mut upload_queue = self.upload_queue.lock().unwrap();
upload_queue.initialize_with_current_remote_index_part(index_part)?;
self.update_remote_physical_size_gauge(Some(index_part));
}
// also locks upload queue, without dropping the guard above it will be a deadlock
self.stop().expect("initialized line above");
let mut upload_queue = self.upload_queue.lock().unwrap();
upload_queue.initialize_with_current_remote_index_part(index_part)?;
self.update_remote_physical_size_gauge(Some(index_part));
self.stop_impl(&mut upload_queue);
upload_queue
.stopped_mut()
@@ -412,7 +407,8 @@ impl RemoteTimelineClient {
match &mut *self.upload_queue.lock().unwrap() {
UploadQueue::Uninitialized => None,
UploadQueue::Initialized(q) => q.get_last_remote_consistent_lsn_projected(),
UploadQueue::Stopped(q) => q
UploadQueue::Stopped(UploadQueueStopped::Uninitialized) => None,
UploadQueue::Stopped(UploadQueueStopped::Deletable(q)) => q
.upload_queue_for_deletion
.get_last_remote_consistent_lsn_projected(),
}
@@ -422,7 +418,8 @@ impl RemoteTimelineClient {
match &mut *self.upload_queue.lock().unwrap() {
UploadQueue::Uninitialized => None,
UploadQueue::Initialized(q) => Some(q.get_last_remote_consistent_lsn_visible()),
UploadQueue::Stopped(q) => Some(
UploadQueue::Stopped(UploadQueueStopped::Uninitialized) => None,
UploadQueue::Stopped(UploadQueueStopped::Deletable(q)) => Some(
q.upload_queue_for_deletion
.get_last_remote_consistent_lsn_visible(),
),
@@ -889,7 +886,7 @@ impl RemoteTimelineClient {
/// Wait for all previously scheduled operations to complete, and then stop.
///
/// Not cancellation safe
pub(crate) async fn shutdown(self: &Arc<Self>) -> Result<(), StopError> {
pub(crate) async fn shutdown(self: &Arc<Self>) {
// On cancellation the queue is left in ackward state of refusing new operations but
// proper stop is yet to be called. On cancel the original or some later task must call
// `stop` or `shutdown`.
@@ -900,8 +897,12 @@ impl RemoteTimelineClient {
let fut = {
let mut guard = self.upload_queue.lock().unwrap();
let upload_queue = match &mut *guard {
UploadQueue::Stopped(_) => return Ok(()),
UploadQueue::Uninitialized => return Err(StopError::QueueUninitialized),
UploadQueue::Stopped(_) => return,
UploadQueue::Uninitialized => {
// transition into Stopped state
self.stop_impl(&mut guard);
return;
}
UploadQueue::Initialized(ref mut init) => init,
};
@@ -933,7 +934,7 @@ impl RemoteTimelineClient {
}
}
self.stop()
self.stop();
}
/// Set the deleted_at field in the remote index file.
@@ -1272,6 +1273,7 @@ impl RemoteTimelineClient {
let tenant_shard_id = self.tenant_shard_id;
let timeline_id = self.timeline_id;
task_mgr::spawn(
&self.runtime,
TaskKind::RemoteUploadTask,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -1314,12 +1316,7 @@ impl RemoteTimelineClient {
// upload finishes or times out soon enough.
if cancel.is_cancelled() {
info!("upload task cancelled by shutdown request");
match self.stop() {
Ok(()) => {}
Err(StopError::QueueUninitialized) => {
unreachable!("we never launch an upload task if the queue is uninitialized, and once it is initialized, we never go back")
}
}
self.stop();
return;
}
@@ -1574,17 +1571,23 @@ impl RemoteTimelineClient {
/// In-progress operations will still be running after this function returns.
/// Use `task_mgr::shutdown_tasks(None, Some(self.tenant_id), Some(timeline_id))`
/// to wait for them to complete, after calling this function.
pub(crate) fn stop(&self) -> Result<(), StopError> {
pub(crate) fn stop(&self) {
// Whichever *task* for this RemoteTimelineClient grabs the mutex first will transition the queue
// into stopped state, thereby dropping all off the queued *ops* which haven't become *tasks* yet.
// The other *tasks* will come here and observe an already shut down queue and hence simply wrap up their business.
let mut guard = self.upload_queue.lock().unwrap();
match &mut *guard {
UploadQueue::Uninitialized => Err(StopError::QueueUninitialized),
self.stop_impl(&mut guard);
}
fn stop_impl(&self, guard: &mut std::sync::MutexGuard<UploadQueue>) {
match &mut **guard {
UploadQueue::Uninitialized => {
info!("UploadQueue is in state Uninitialized, nothing to do");
**guard = UploadQueue::Stopped(UploadQueueStopped::Uninitialized);
}
UploadQueue::Stopped(_) => {
// nothing to do
info!("another concurrent task already shut down the queue");
Ok(())
}
UploadQueue::Initialized(initialized) => {
info!("shutting down upload queue");
@@ -1617,11 +1620,13 @@ impl RemoteTimelineClient {
};
let upload_queue = std::mem::replace(
&mut *guard,
UploadQueue::Stopped(UploadQueueStopped {
upload_queue_for_deletion,
deleted_at: SetDeletedFlagProgress::NotRunning,
}),
&mut **guard,
UploadQueue::Stopped(UploadQueueStopped::Deletable(
UploadQueueStoppedDeletable {
upload_queue_for_deletion,
deleted_at: SetDeletedFlagProgress::NotRunning,
},
)),
);
if let UploadQueue::Initialized(qi) = upload_queue {
qi
@@ -1650,10 +1655,6 @@ impl RemoteTimelineClient {
// which is exactly what we want to happen.
drop(op);
}
// We're done.
drop(guard);
Ok(())
}
}
}
@@ -1866,6 +1867,7 @@ mod tests {
fn build_client(&self, generation: Generation) -> Arc<RemoteTimelineClient> {
Arc::new(RemoteTimelineClient {
conf: self.harness.conf,
runtime: tokio::runtime::Handle::current(),
tenant_shard_id: self.harness.tenant_shard_id,
timeline_id: TIMELINE_ID,
generation,
+3 -1
View File
@@ -8,7 +8,7 @@ use std::{sync::Arc, time::SystemTime};
use crate::{
config::PageServerConf,
disk_usage_eviction_task::DiskUsageEvictionInfo,
task_mgr::{self, TaskKind},
task_mgr::{self, TaskKind, BACKGROUND_RUNTIME},
virtual_file::MaybeFatalIo,
};
@@ -317,6 +317,7 @@ pub fn spawn_tasks(
tokio::sync::mpsc::channel::<CommandRequest<UploadCommand>>(16);
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::SecondaryDownloads,
None,
None,
@@ -337,6 +338,7 @@ pub fn spawn_tasks(
);
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::SecondaryUploads,
None,
None,
@@ -23,8 +23,12 @@ use tracing::*;
use utils::{bin_ser::BeSer, id::TimelineId, lsn::Lsn, vec_map::VecMap};
// avoid binding to Write (conflicts with std::io::Write)
// while being able to use std::fmt::Write's methods
use crate::metrics::TIMELINE_EPHEMERAL_BYTES;
use std::cmp::Ordering;
use std::fmt::Write as _;
use std::ops::Range;
use std::sync::atomic::Ordering as AtomicOrdering;
use std::sync::atomic::{AtomicU64, AtomicUsize};
use tokio::sync::{RwLock, RwLockWriteGuard};
use super::{
@@ -70,6 +74,8 @@ pub struct InMemoryLayerInner {
/// Each serialized Value is preceded by a 'u32' length field.
/// PerSeg::page_versions map stores offsets into this file.
file: EphemeralFile,
resource_units: GlobalResourceUnits,
}
impl std::fmt::Debug for InMemoryLayerInner {
@@ -78,6 +84,101 @@ impl std::fmt::Debug for InMemoryLayerInner {
}
}
/// State shared by all in-memory (ephemeral) layers. Updated infrequently during background ticks in Timeline,
/// to minimize contention.
///
/// This global state is used to implement behaviors that require a global view of the system, e.g.
/// rolling layers proactively to limit the total amount of dirty data.
struct GlobalResources {
// How many bytes are in all EphemeralFile objects
dirty_bytes: AtomicU64,
// How many layers are contributing to dirty_bytes
dirty_layers: AtomicUsize,
}
// Per-timeline RAII struct for its contribution to [`GlobalResources`]
struct GlobalResourceUnits {
// How many dirty bytes have I added to the global dirty_bytes: this guard object is responsible
// for decrementing the global counter by this many bytes when dropped.
dirty_bytes: u64,
}
impl GlobalResourceUnits {
// Hint for the layer append path to update us when the layer size differs from the last
// call to update_size by this much. If we don't reach this threshold, we'll still get
// updated when the Timeline "ticks" in the background.
const MAX_SIZE_DRIFT: u64 = 10 * 1024 * 1024;
fn new() -> Self {
GLOBAL_RESOURCES
.dirty_layers
.fetch_add(1, AtomicOrdering::Relaxed);
Self { dirty_bytes: 0 }
}
/// Do not call this frequently: all timelines will write to these same global atomics,
/// so this is a relatively expensive operation. Wait at least a few seconds between calls.
fn publish_size(&mut self, size: u64) {
let new_global_dirty_bytes = match size.cmp(&self.dirty_bytes) {
Ordering::Equal => {
return;
}
Ordering::Greater => {
let delta = size - self.dirty_bytes;
let old = GLOBAL_RESOURCES
.dirty_bytes
.fetch_add(delta, AtomicOrdering::Relaxed);
old + delta
}
Ordering::Less => {
let delta = self.dirty_bytes - size;
let old = GLOBAL_RESOURCES
.dirty_bytes
.fetch_sub(delta, AtomicOrdering::Relaxed);
old - delta
}
};
// This is a sloppy update: concurrent updates to the counter will race, and the exact
// value of the metric might not be the exact latest value of GLOBAL_RESOURCES::dirty_bytes.
// That's okay: as long as the metric contains some recent value, it doesn't have to always
// be literally the last update.
TIMELINE_EPHEMERAL_BYTES.set(new_global_dirty_bytes);
self.dirty_bytes = size;
}
// Call publish_size if the input size differs from last published size by more than
// the drift limit
fn maybe_publish_size(&mut self, size: u64) {
let publish = match size.cmp(&self.dirty_bytes) {
Ordering::Equal => false,
Ordering::Greater => size - self.dirty_bytes > Self::MAX_SIZE_DRIFT,
Ordering::Less => self.dirty_bytes - size > Self::MAX_SIZE_DRIFT,
};
if publish {
self.publish_size(size);
}
}
}
impl Drop for GlobalResourceUnits {
fn drop(&mut self) {
GLOBAL_RESOURCES
.dirty_layers
.fetch_sub(1, AtomicOrdering::Relaxed);
// Subtract our contribution to the global total dirty bytes
self.publish_size(0);
}
}
static GLOBAL_RESOURCES: GlobalResources = GlobalResources {
dirty_bytes: AtomicU64::new(0),
dirty_layers: AtomicUsize::new(0),
};
impl InMemoryLayer {
pub(crate) fn get_timeline_id(&self) -> TimelineId {
self.timeline_id
@@ -328,6 +429,7 @@ impl InMemoryLayer {
inner: RwLock::new(InMemoryLayerInner {
index: HashMap::new(),
file,
resource_units: GlobalResourceUnits::new(),
}),
})
}
@@ -378,9 +480,18 @@ impl InMemoryLayer {
warn!("Key {} at {} already exists", key, lsn);
}
let size = locked_inner.file.len();
locked_inner.resource_units.maybe_publish_size(size);
Ok(())
}
pub(crate) async fn tick(&self) {
let mut inner = self.inner.write().await;
let size = inner.file.len();
inner.resource_units.publish_size(size);
}
pub(crate) async fn put_tombstones(&self, _key_ranges: &[(Range<Key>, Lsn)]) -> Result<()> {
// TODO: Currently, we just leak the storage for any deleted keys
Ok(())
+2 -2
View File
@@ -1447,7 +1447,7 @@ impl LayerInner {
#[cfg(test)]
tokio::task::spawn(fut);
#[cfg(not(test))]
crate::task_mgr::THE_RUNTIME.spawn(fut);
crate::task_mgr::BACKGROUND_RUNTIME.spawn(fut);
}
/// Needed to use entered runtime in tests, but otherwise use BACKGROUND_RUNTIME.
@@ -1458,7 +1458,7 @@ impl LayerInner {
#[cfg(test)]
tokio::task::spawn_blocking(f);
#[cfg(not(test))]
crate::task_mgr::THE_RUNTIME.spawn_blocking(f);
crate::task_mgr::BACKGROUND_RUNTIME.spawn_blocking(f);
}
}
+4 -2
View File
@@ -8,7 +8,7 @@ use std::time::{Duration, Instant};
use crate::context::{DownloadBehavior, RequestContext};
use crate::metrics::TENANT_TASK_EVENTS;
use crate::task_mgr;
use crate::task_mgr::TaskKind;
use crate::task_mgr::{TaskKind, BACKGROUND_RUNTIME};
use crate::tenant::throttle::Stats;
use crate::tenant::timeline::CompactionError;
use crate::tenant::{Tenant, TenantState};
@@ -18,7 +18,7 @@ use utils::{backoff, completion};
static CONCURRENT_BACKGROUND_TASKS: once_cell::sync::Lazy<tokio::sync::Semaphore> =
once_cell::sync::Lazy::new(|| {
let total_threads = *crate::task_mgr::THE_RUNTIME_WORKER_THREADS;
let total_threads = *task_mgr::BACKGROUND_RUNTIME_WORKER_THREADS;
let permits = usize::max(
1,
// while a lot of the work is done on spawn_blocking, we still do
@@ -85,6 +85,7 @@ pub fn start_background_loops(
) {
let tenant_shard_id = tenant.tenant_shard_id;
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::Compaction,
Some(tenant_shard_id),
None,
@@ -108,6 +109,7 @@ pub fn start_background_loops(
},
);
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::GarbageCollector,
Some(tenant_shard_id),
None,
+11 -13
View File
@@ -54,6 +54,7 @@ use std::{
ops::ControlFlow,
};
use crate::deletion_queue::DeletionQueueClient;
use crate::tenant::timeline::logical_size::CurrentLogicalSize;
use crate::tenant::{
layer_map::{LayerMap, SearchResult},
@@ -64,7 +65,6 @@ use crate::{
disk_usage_eviction_task::DiskUsageEvictionInfo,
pgdatadir_mapping::CollectKeySpaceError,
};
use crate::{deletion_queue::DeletionQueueClient, tenant::remote_timeline_client::StopError};
use crate::{
disk_usage_eviction_task::finite_f32,
tenant::storage_layer::{
@@ -1241,11 +1241,7 @@ impl Timeline {
// what is problematic is the shutting down of RemoteTimelineClient, because
// obviously it does not make sense to stop while we wait for it, but what
// about corner cases like s3 suddenly hanging up?
if let Err(e) = client.shutdown().await {
// Non-fatal. Shutdown is infallible. Failures to flush just mean that
// we have some extra WAL replay to do next time the timeline starts.
warn!("failed to flush to remote storage: {e:#}");
}
client.shutdown().await;
}
}
Err(e) => {
@@ -1282,12 +1278,7 @@ impl Timeline {
// Shut down remote timeline client: this gracefully moves its metadata into its Stopping state in
// case our caller wants to use that for a deletion
if let Some(remote_client) = self.remote_client.as_ref() {
match remote_client.stop() {
Ok(()) => {}
Err(StopError::QueueUninitialized) => {
// Shutting down during initialization is legal
}
}
remote_client.stop();
}
tracing::debug!("Waiting for tasks...");
@@ -1723,6 +1714,7 @@ impl Timeline {
initdb_optimization_count: 0,
};
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
task_mgr::TaskKind::LayerFlushTask,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -2085,6 +2077,7 @@ impl Timeline {
DownloadBehavior::Download,
);
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
task_mgr::TaskKind::InitialLogicalSizeCalculation,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -2262,6 +2255,7 @@ impl Timeline {
DownloadBehavior::Download,
);
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
task_mgr::TaskKind::OndemandLogicalSizeCalculation,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -3837,7 +3831,7 @@ impl Timeline {
};
let timer = self.metrics.garbage_collect_histo.start_timer();
pausable_failpoint!("before-timeline-gc");
fail_point!("before-timeline-gc");
// Is the timeline being deleted?
if self.is_stopping() {
@@ -4148,6 +4142,7 @@ impl Timeline {
let self_clone = Arc::clone(&self);
let task_id = task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
task_mgr::TaskKind::DownloadAllRemoteLayers,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -4465,6 +4460,9 @@ impl<'a> TimelineWriter<'a> {
let action = self.get_open_layer_action(last_record_lsn, 0);
if action == OpenLayerAction::Roll {
self.roll_layer(last_record_lsn).await?;
} else if let Some(writer_state) = &mut *self.write_guard {
// Periodic update of statistics
writer_state.open_layer.tick().await;
}
Ok(())
+3 -16
View File
@@ -16,9 +16,7 @@ use crate::{
tenant::{
debug_assert_current_span_has_tenant_and_timeline_id,
metadata::TimelineMetadata,
remote_timeline_client::{
self, PersistIndexPartWithDeletedFlagError, RemoteTimelineClient,
},
remote_timeline_client::{PersistIndexPartWithDeletedFlagError, RemoteTimelineClient},
CreateTimelineCause, DeleteTimelineError, Tenant,
},
};
@@ -50,19 +48,7 @@ async fn stop_tasks(timeline: &Timeline) -> Result<(), DeleteTimelineError> {
// Prevent new uploads from starting.
if let Some(remote_client) = timeline.remote_client.as_ref() {
let res = remote_client.stop();
match res {
Ok(()) => {}
Err(e) => match e {
remote_timeline_client::StopError::QueueUninitialized => {
// This case shouldn't happen currently because the
// load and attach code bails out if _any_ of the timeline fails to fetch its IndexPart.
// That is, before we declare the Tenant as Active.
// But we only allow calls to delete_timeline on Active tenants.
return Err(DeleteTimelineError::Other(anyhow::anyhow!("upload queue is uninitialized, likely the timeline was in Broken state prior to this call because it failed to fetch IndexPart during load or attach, check the logs")));
}
},
}
remote_client.stop();
}
// Stop & wait for the remaining timeline tasks, including upload tasks.
@@ -443,6 +429,7 @@ impl DeleteTimelineFlow {
let timeline_id = timeline.timeline_id;
task_mgr::spawn(
task_mgr::BACKGROUND_RUNTIME.handle(),
TaskKind::TimelineDeletionWorker,
Some(tenant_shard_id),
Some(timeline_id),
@@ -28,7 +28,7 @@ use tracing::{debug, error, info, info_span, instrument, warn, Instrument};
use crate::{
context::{DownloadBehavior, RequestContext},
pgdatadir_mapping::CollectKeySpaceError,
task_mgr::{self, TaskKind},
task_mgr::{self, TaskKind, BACKGROUND_RUNTIME},
tenant::{
tasks::BackgroundLoopKind, timeline::EvictionError, LogicalSizeCalculationCause, Tenant,
},
@@ -56,6 +56,7 @@ impl Timeline {
let self_clone = Arc::clone(self);
let background_tasks_can_start = background_tasks_can_start.cloned();
task_mgr::spawn(
BACKGROUND_RUNTIME.handle(),
TaskKind::Eviction,
Some(self.tenant_shard_id),
Some(self.timeline_id),
@@ -24,7 +24,7 @@ mod connection_manager;
mod walreceiver_connection;
use crate::context::{DownloadBehavior, RequestContext};
use crate::task_mgr::{self, TaskKind};
use crate::task_mgr::{self, TaskKind, WALRECEIVER_RUNTIME};
use crate::tenant::debug_assert_current_span_has_tenant_and_timeline_id;
use crate::tenant::timeline::walreceiver::connection_manager::{
connection_manager_loop_step, ConnectionManagerState,
@@ -82,6 +82,7 @@ impl WalReceiver {
let loop_status = Arc::new(std::sync::RwLock::new(None));
let manager_status = Arc::clone(&loop_status);
task_mgr::spawn(
WALRECEIVER_RUNTIME.handle(),
TaskKind::WalReceiverManager,
Some(timeline.tenant_shard_id),
Some(timeline_id),
@@ -180,7 +181,7 @@ impl<E: Clone> TaskHandle<E> {
let (events_sender, events_receiver) = watch::channel(TaskStateUpdate::Started);
let cancellation_clone = cancellation.clone();
let join_handle = tokio::spawn(async move {
let join_handle = WALRECEIVER_RUNTIME.spawn(async move {
events_sender.send(TaskStateUpdate::Started).ok();
task(events_sender, cancellation_clone).await
// events_sender is dropped at some point during the .await above.
@@ -11,6 +11,7 @@ use std::{
use anyhow::{anyhow, Context};
use bytes::BytesMut;
use chrono::{NaiveDateTime, Utc};
use fail::fail_point;
use futures::StreamExt;
use postgres::{error::SqlState, SimpleQueryMessage, SimpleQueryRow};
use postgres_ffi::WAL_SEGMENT_SIZE;
@@ -26,7 +27,9 @@ use super::TaskStateUpdate;
use crate::{
context::RequestContext,
metrics::{LIVE_CONNECTIONS_COUNT, WALRECEIVER_STARTED_CONNECTIONS, WAL_INGEST},
task_mgr::{self, TaskKind},
task_mgr,
task_mgr::TaskKind,
task_mgr::WALRECEIVER_RUNTIME,
tenant::{debug_assert_current_span_has_tenant_and_timeline_id, Timeline, WalReceiverInfo},
walingest::WalIngest,
walrecord::DecodedWALRecord,
@@ -160,6 +163,7 @@ pub(super) async fn handle_walreceiver_connection(
);
let connection_cancellation = cancellation.clone();
task_mgr::spawn(
WALRECEIVER_RUNTIME.handle(),
TaskKind::WalReceiverConnectionPoller,
Some(timeline.tenant_shard_id),
Some(timeline.timeline_id),
@@ -325,17 +329,7 @@ pub(super) async fn handle_walreceiver_connection(
filtered_records += 1;
}
// don't simply use pausable_failpoint here because its spawn_blocking slows
// slows down the tests too much.
fail::fail_point!("walreceiver-after-ingest-blocking");
if let Err(()) = (|| {
fail::fail_point!("walreceiver-after-ingest-pause-activate", |_| {
Err(())
});
Ok(())
})() {
pausable_failpoint!("walreceiver-after-ingest-pause");
}
fail_point!("walreceiver-after-ingest");
last_rec_lsn = lsn;
+11 -3
View File
@@ -121,11 +121,16 @@ pub(super) enum SetDeletedFlagProgress {
Successful(NaiveDateTime),
}
pub(super) struct UploadQueueStopped {
pub(super) struct UploadQueueStoppedDeletable {
pub(super) upload_queue_for_deletion: UploadQueueInitialized,
pub(super) deleted_at: SetDeletedFlagProgress,
}
pub(super) enum UploadQueueStopped {
Deletable(UploadQueueStoppedDeletable),
Uninitialized,
}
#[derive(thiserror::Error, Debug)]
pub(crate) enum NotInitialized {
#[error("queue is in state Uninitialized")]
@@ -249,12 +254,15 @@ impl UploadQueue {
}
}
pub(crate) fn stopped_mut(&mut self) -> anyhow::Result<&mut UploadQueueStopped> {
pub(crate) fn stopped_mut(&mut self) -> anyhow::Result<&mut UploadQueueStoppedDeletable> {
match self {
UploadQueue::Initialized(_) | UploadQueue::Uninitialized => {
anyhow::bail!("queue is in state {}", self.as_str())
}
UploadQueue::Stopped(stopped) => Ok(stopped),
UploadQueue::Stopped(UploadQueueStopped::Uninitialized) => {
anyhow::bail!("queue is in state Stopped(Uninitialized)")
}
UploadQueue::Stopped(UploadQueueStopped::Deletable(deletable)) => Ok(deletable),
}
}
}
+1 -1
View File
@@ -782,7 +782,7 @@ where
}
}
// NB: don't use `buf.is_empty()` here; it is from the
// `impl Deref for Slice { Target = [u8] }`; the the &[u8]
// `impl Deref for Slice { Target = [u8] }`; the &[u8]
// returned by it only covers the initialized portion of `buf`.
// Whereas we're interested in ensuring that we filled the entire
// buffer that the user passed in.
+2 -2
View File
@@ -55,7 +55,7 @@ impl Api {
ctx: &mut RequestMonitoring,
user_info: &ComputeUserInfo,
) -> Result<AuthInfo, GetAuthInfoError> {
let request_id = uuid::Uuid::new_v4().to_string();
let request_id = ctx.session_id.to_string();
let application_name = ctx.console_application_name();
async {
let request = self
@@ -112,7 +112,7 @@ impl Api {
ctx: &mut RequestMonitoring,
user_info: &ComputeUserInfo,
) -> Result<NodeInfo, WakeComputeError> {
let request_id = uuid::Uuid::new_v4().to_string();
let request_id = ctx.session_id.to_string();
let application_name = ctx.console_application_name();
async {
let mut request_builder = self
+5 -1
View File
@@ -1155,13 +1155,17 @@ class NeonEnv:
After this method returns, there should be no child processes running.
"""
self.endpoints.stop_all()
# Stop storage controller before pageservers: we don't want it to spuriously
# detect a pageserver "failure" during test teardown
self.storage_controller.stop(immediate=immediate)
for sk in self.safekeepers:
sk.stop(immediate=immediate)
for pageserver in self.pageservers:
if ps_assert_metric_no_errors:
pageserver.assert_no_metric_errors()
pageserver.stop(immediate=immediate)
self.storage_controller.stop(immediate=immediate)
self.broker.stop(immediate=immediate)
@property
@@ -96,6 +96,8 @@ DEFAULT_STORAGE_CONTROLLER_ALLOWED_ERRORS = [
".*Call to node.*management API.*failed.*ReceiveBody.*",
# Many tests will start up with a node offline
".*startup_reconcile: Could not scan node.*",
# Tests run in dev mode
".*Starting in dev mode.*",
]
+1 -3
View File
@@ -62,9 +62,7 @@ def wait_for_upload(
)
time.sleep(1)
raise Exception(
"timed out while waiting for remote_consistent_lsn to reach {}, was {}".format(
lsn, current_lsn
)
f"timed out while waiting for {tenant}/{timeline} remote_consistent_lsn to reach {lsn}, was {current_lsn}"
)
+1 -1
View File
@@ -105,7 +105,7 @@ def test_pageserver_multiple_keys(neon_env_builder: NeonEnvBuilder):
# The neon_local tool generates one key pair at a hardcoded path by default.
# As a preparation for our test, move the public key of the key pair into a
# directory at the same location as the hardcoded path by:
# 1. moving the the file at `configured_pub_key_path` to a temporary location
# 1. moving the file at `configured_pub_key_path` to a temporary location
# 2. creating a new directory at `configured_pub_key_path`
# 3. moving the file from the temporary location into the newly created directory
configured_pub_key_path = Path(env.repo_dir) / "auth_public_key.pem"
+1 -1
View File
@@ -116,7 +116,7 @@ def test_backpressure_received_lsn_lag(neon_env_builder: NeonEnvBuilder):
# Configure failpoint to slow down walreceiver ingest
with closing(env.pageserver.connect()) as psconn:
with psconn.cursor(cursor_factory=psycopg2.extras.DictCursor) as pscur:
pscur.execute("failpoints walreceiver-after-ingest-blocking=sleep(20)")
pscur.execute("failpoints walreceiver-after-ingest=sleep(20)")
# FIXME
# Wait for the check thread to start
+8 -1
View File
@@ -267,9 +267,10 @@ def test_forward_compatibility(
def check_neon_works(env: NeonEnv, test_output_dir: Path, sql_dump_path: Path, repo_dir: Path):
ep = env.endpoints.create_start("main")
connstr = ep.connstr()
pg_bin = PgBin(test_output_dir, env.pg_distrib_dir, env.pg_version)
connstr = ep.connstr()
pg_bin.run_capture(
["pg_dumpall", f"--dbname={connstr}", f"--file={test_output_dir / 'dump.sql'}"]
)
@@ -286,6 +287,9 @@ def check_neon_works(env: NeonEnv, test_output_dir: Path, sql_dump_path: Path, r
timeline_id = env.initial_timeline
pg_version = env.pg_version
# Stop endpoint while we recreate timeline
ep.stop()
try:
pageserver_http.timeline_preserve_initdb_archive(tenant_id, timeline_id)
except PageserverApiException as e:
@@ -310,6 +314,9 @@ def check_neon_works(env: NeonEnv, test_output_dir: Path, sql_dump_path: Path, r
existing_initdb_timeline_id=timeline_id,
)
# Timeline exists again: restart the endpoint
ep.start()
pg_bin.run_capture(
["pg_dumpall", f"--dbname={connstr}", f"--file={test_output_dir / 'dump-from-wal.sql'}"]
)
@@ -11,6 +11,7 @@ from fixtures.pageserver.utils import (
assert_prefix_empty,
poll_for_remote_storage_iterations,
tenant_delete_wait_completed,
wait_for_upload_queue_empty,
)
from fixtures.remote_storage import LocalFsStorage, RemoteStorageKind, S3Storage
from fixtures.types import TenantId, TimelineId
@@ -472,6 +473,10 @@ def test_secondary_downloads(neon_env_builder: NeonEnvBuilder):
log.info("Synchronizing after initial write...")
ps_attached.http_client().tenant_heatmap_upload(tenant_id)
# Ensure that everything which appears in the heatmap is also present in S3: heatmap writers
# are allowed to upload heatmaps that reference layers which are only enqueued for upload
wait_for_upload_queue_empty(ps_attached.http_client(), tenant_id, timeline_id)
ps_secondary.http_client().tenant_secondary_download(tenant_id)
assert list_layers(ps_attached, tenant_id, timeline_id) == list_layers(
@@ -484,6 +489,11 @@ def test_secondary_downloads(neon_env_builder: NeonEnvBuilder):
workload.churn_rows(128, ps_attached.id)
ps_attached.http_client().tenant_heatmap_upload(tenant_id)
# Ensure that everything which appears in the heatmap is also present in S3: heatmap writers
# are allowed to upload heatmaps that reference layers which are only enqueued for upload
wait_for_upload_queue_empty(ps_attached.http_client(), tenant_id, timeline_id)
ps_secondary.http_client().tenant_secondary_download(tenant_id)
assert list_layers(ps_attached, tenant_id, timeline_id) == list_layers(
@@ -1,5 +1,4 @@
import asyncio
import time
from typing import Tuple
import pytest
@@ -10,7 +9,7 @@ from fixtures.neon_fixtures import (
tenant_get_shards,
)
from fixtures.pageserver.http import PageserverHttpClient
from fixtures.pageserver.utils import wait_for_last_record_lsn
from fixtures.pageserver.utils import wait_for_last_record_lsn, wait_for_upload
from fixtures.types import Lsn, TenantId, TimelineId
from fixtures.utils import wait_until
@@ -61,6 +60,15 @@ def wait_until_pageserver_is_caught_up(
assert waited >= last_flush_lsn
def wait_until_pageserver_has_uploaded(
env: NeonEnv, last_flush_lsns: list[Tuple[TenantId, TimelineId, Lsn]]
):
for tenant, timeline, last_flush_lsn in last_flush_lsns:
shards = tenant_get_shards(env, tenant)
for tenant_shard_id, pageserver in shards:
wait_for_upload(pageserver.http_client(), tenant_shard_id, timeline, last_flush_lsn)
def wait_for_wal_ingest_metric(pageserver_http: PageserverHttpClient) -> float:
def query():
value = pageserver_http.get_metric_value("pageserver_wal_ingest_records_received_total")
@@ -86,25 +94,50 @@ def test_pageserver_small_inmemory_layers(
The workload creates a number of timelines and writes some data to each,
but not enough to trigger flushes via the `checkpoint_distance` config.
"""
def get_dirty_bytes():
v = (
env.pageserver.http_client().get_metric_value("pageserver_timeline_ephemeral_bytes")
or 0
)
log.info(f"dirty_bytes: {v}")
return v
def assert_dirty_bytes(v):
assert get_dirty_bytes() == v
env = neon_env_builder.init_configs()
env.start()
last_flush_lsns = asyncio.run(workload(env, TIMELINE_COUNT, ENTRIES_PER_TIMELINE))
wait_until_pageserver_is_caught_up(env, last_flush_lsns)
# We didn't write enough data to trigger a size-based checkpoint
assert get_dirty_bytes() > 0
ps_http_client = env.pageserver.http_client()
total_wal_ingested_before_restart = wait_for_wal_ingest_metric(ps_http_client)
log.info("Sleeping for checkpoint timeout ...")
time.sleep(CHECKPOINT_TIMEOUT_SECONDS + 5)
# Within ~ the checkpoint interval, all the ephemeral layers should be frozen and flushed,
# such that there are zero bytes of ephemeral layer left on the pageserver
log.info("Waiting for background checkpoints...")
wait_until(CHECKPOINT_TIMEOUT_SECONDS * 2, 1, lambda: assert_dirty_bytes(0)) # type: ignore
# Zero ephemeral layer bytes does not imply that all the frozen layers were uploaded: they
# must be uploaded to remain visible to the pageserver after restart.
wait_until_pageserver_has_uploaded(env, last_flush_lsns)
env.pageserver.restart(immediate=immediate_shutdown)
wait_until_pageserver_is_caught_up(env, last_flush_lsns)
# Catching up with WAL ingest should have resulted in zero bytes of ephemeral layers, since
# we froze, flushed and uploaded everything before restarting. There can be no more WAL writes
# because we shut down compute endpoints before flushing.
assert get_dirty_bytes() == 0
total_wal_ingested_after_restart = wait_for_wal_ingest_metric(ps_http_client)
log.info(f"WAL ingested before restart: {total_wal_ingested_before_restart}")
log.info(f"WAL ingested after restart: {total_wal_ingested_after_restart}")
leeway = total_wal_ingested_before_restart * 5 / 100
assert total_wal_ingested_after_restart <= leeway
assert total_wal_ingested_after_restart == 0
+7
View File
@@ -15,6 +15,13 @@ def test_pageserver_recovery(neon_env_builder: NeonEnvBuilder):
env = neon_env_builder.init_start()
env.pageserver.is_testing_enabled_or_skip()
# We expect the pageserver to exit, which will cause storage storage controller
# requests to fail and warn.
env.storage_controller.allowed_errors.append(".*management API still failed.*")
env.storage_controller.allowed_errors.append(
".*Reconcile error.*error sending request for url.*"
)
# Create a branch for us
env.neon_cli.create_branch("test_pageserver_recovery", "main")
+1 -1
View File
@@ -838,7 +838,7 @@ def test_compaction_waits_for_upload(
# upload_stuck_layers and the original initdb L0
client.timeline_checkpoint(tenant_id, timeline_id)
# as uploads are paused, the the upload_stuck_layers should still be with us
# as uploads are paused, the upload_stuck_layers should still be with us
for name in upload_stuck_layers:
path = env.pageserver.timeline_dir(tenant_id, timeline_id) / name
assert path.exists(), "uploads are stuck still over compaction"
+11 -5
View File
@@ -874,11 +874,17 @@ def test_sharding_split_failures(
workload.validate()
if failure.expect_available():
# Even though the split failed partway through, this should not have interrupted
# clients. Disable waiting for pageservers in the workload helper, because our
# failpoints may prevent API access.
# This only applies for failure modes that leave pageserver page_service API available.
workload.churn_rows(10, upload=False, ingest=False)
# Even though the split failed partway through, this should not leave the tenant in
# an unavailable state.
# - Disable waiting for pageservers in the workload helper, because our
# failpoints may prevent API access. This only applies for failure modes that
# leave pageserver page_service API available.
# - This is a wait_until because clients may see transient errors in some split error cases,
# e.g. while waiting for a storage controller to re-attach a parent shard if we failed
# inside the pageserver and the storage controller responds by detaching children and attaching
# parents concurrently (https://github.com/neondatabase/neon/issues/7148)
wait_until(10, 1, lambda: workload.churn_rows(10, upload=False, ingest=False)) # type: ignore
workload.validate()
if failure.fails_forward(env):
+5 -21
View File
@@ -931,7 +931,7 @@ def test_timeline_logical_size_task_priority(neon_env_builder: NeonEnvBuilder):
env.pageserver.stop()
env.pageserver.start(
extra_env_vars={
"FAILPOINTS": "initial-size-calculation-permit-pause=pause;walreceiver-after-ingest-pause-activate=return(1);walreceiver-after-ingest-pause=pause"
"FAILPOINTS": "initial-size-calculation-permit-pause=pause;walreceiver-after-ingest=pause"
}
)
@@ -953,11 +953,7 @@ def test_timeline_logical_size_task_priority(neon_env_builder: NeonEnvBuilder):
assert details["current_logical_size_is_accurate"] is True
client.configure_failpoints(
[
("initial-size-calculation-permit-pause", "off"),
("walreceiver-after-ingest-pause-activate", "off"),
("walreceiver-after-ingest-pause", "off"),
]
[("initial-size-calculation-permit-pause", "off"), ("walreceiver-after-ingest", "off")]
)
@@ -987,7 +983,7 @@ def test_eager_attach_does_not_queue_up(neon_env_builder: NeonEnvBuilder):
# pause at logical size calculation, also pause before walreceiver can give feedback so it will give priority to logical size calculation
env.pageserver.start(
extra_env_vars={
"FAILPOINTS": "timeline-calculate-logical-size-pause=pause;walreceiver-after-ingest-pause-activate=return(1);walreceiver-after-ingest-pause=pause"
"FAILPOINTS": "timeline-calculate-logical-size-pause=pause;walreceiver-after-ingest=pause"
}
)
@@ -1033,11 +1029,7 @@ def test_eager_attach_does_not_queue_up(neon_env_builder: NeonEnvBuilder):
other_is_attaching()
client.configure_failpoints(
[
("timeline-calculate-logical-size-pause", "off"),
("walreceiver-after-ingest-pause-activate", "off"),
("walreceiver-after-ingest-pause", "off"),
]
[("timeline-calculate-logical-size-pause", "off"), ("walreceiver-after-ingest", "off")]
)
@@ -1067,7 +1059,7 @@ def test_lazy_attach_activation(neon_env_builder: NeonEnvBuilder, activation_met
# pause at logical size calculation, also pause before walreceiver can give feedback so it will give priority to logical size calculation
env.pageserver.start(
extra_env_vars={
"FAILPOINTS": "timeline-calculate-logical-size-pause=pause;walreceiver-after-ingest-pause-activate=return(1);walreceiver-after-ingest-pause=pause"
"FAILPOINTS": "timeline-calculate-logical-size-pause=pause;walreceiver-after-ingest=pause"
}
)
@@ -1119,11 +1111,3 @@ def test_lazy_attach_activation(neon_env_builder: NeonEnvBuilder, activation_met
delete_lazy_activating(lazy_tenant, env.pageserver, expect_attaching=True)
else:
raise RuntimeError(activation_method)
client.configure_failpoints(
[
("timeline-calculate-logical-size-pause", "off"),
("walreceiver-after-ingest-pause-activate", "off"),
("walreceiver-after-ingest-pause", "off"),
]
)