rust/neon
1
0
Fork 0
mirror of https://github.com/neondatabase/neon.git synced 2026-01-03 11:32:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

Persist pg_stat information in pageserver (#6560)

Browse Source 
## Problem

Statistic is saved in local file and so lost on compute restart.

Persist in in page server using the same AUX file mechanism used for
replication slots

See more about motivation in
https://neondb.slack.com/archives/C04DGM6SMTM/p1703077676522789

## Summary of changes

Persist postal file using AUX mechanism


Postgres PRs:
https://github.com/neondatabase/postgres/pull/547
https://github.com/neondatabase/postgres/pull/446
https://github.com/neondatabase/postgres/pull/445

Related to #6684 and #6228

Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>
This commit is contained in:
Konstantin Knizhnik
2025-02-20 08:38:55 +02:00
committed by GitHub
parent bb7e244a42
commit a6d8640d6f
16 changed files with 238 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
pageserver/src/tenant/storage_layer/delta_layer.rs
View File

@@ -51,8 +51,7 @@ use camino::{Utf8Path, Utf8PathBuf};
use futures::StreamExt;
use itertools::Itertools;
use pageserver_api::config::MaxVectoredReadBytes;
use pageserver_api::key::DBDIR_KEY;
use pageserver_api::key::{Key, KEY_SIZE};
use pageserver_api::key::{Key, DBDIR_KEY, KEY_SIZE};
use pageserver_api::keyspace::KeySpace;
use pageserver_api::models::ImageCompressionAlgorithm;
use pageserver_api::shard::TenantShardId;
@@ -967,7 +966,10 @@ impl DeltaLayerInner {
.as_slice()
.iter()
.filter_map(|(_, blob_meta)| {
if blob_meta.key.is_rel_dir_key() || blob_meta.key == DBDIR_KEY {
if blob_meta.key.is_rel_dir_key()
|| blob_meta.key == DBDIR_KEY
|| blob_meta.key.is_aux_file_key()
{
// The size of values for these keys is unbounded and can
// grow very large in pathological cases.
None