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page_service: stop exposing get_last_record_rlsn (#8244)

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Compute doesn't use it, let's eliminate it.

Ref to Slack thread:
https://neondb.slack.com/archives/C033RQ5SPDH/p1719920261995529
This commit is contained in:
Christian Schwarz
2024-07-03 20:05:01 +02:00
committed by Vlad Lazar
parent c4423c0623
commit 47e06a2cc6
3 changed files with 1 additions and 49 deletions
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1
pageserver/src/metrics.rs
View File

@@ -1452,7 +1452,6 @@ pub(crate) enum ComputeCommandKind {
PageStreamV2,
PageStream,
Basebackup,
GetLastRecordRlsn,
Fullbackup,
ImportBasebackup,
ImportWal,

47
pageserver/src/page_service.rs
View File

@@ -1656,53 +1656,6 @@ where
metric_recording.observe(&res);
res?;
}
// return pair of prev_lsn and last_lsn
else if let Some(params) = parts.strip_prefix(&["get_last_record_rlsn"]) {
if params.len() != 2 {
return Err(QueryError::Other(anyhow::anyhow!(
"invalid param number for get_last_record_rlsn command"
)));
}
let tenant_id = TenantId::from_str(params[0])
.with_context(|| format!("Failed to parse tenant id from {}", params[0]))?;
let timeline_id = TimelineId::from_str(params[1])
.with_context(|| format!("Failed to parse timeline id from {}", params[1]))?;
tracing::Span::current()
.record("tenant_id", field::display(tenant_id))
.record("timeline_id", field::display(timeline_id));
self.check_permission(Some(tenant_id))?;
COMPUTE_COMMANDS_COUNTERS
.for_command(ComputeCommandKind::GetLastRecordRlsn)
.inc();
async {
let timeline = self
.get_active_tenant_timeline(tenant_id, timeline_id, ShardSelector::Zero)
.await?;
let end_of_timeline = timeline.get_last_record_rlsn();
pgb.write_message_noflush(&BeMessage::RowDescription(&[
RowDescriptor::text_col(b"prev_lsn"),
RowDescriptor::text_col(b"last_lsn"),
]))?
.write_message_noflush(&BeMessage::DataRow(&[
Some(end_of_timeline.prev.to_string().as_bytes()),
Some(end_of_timeline.last.to_string().as_bytes()),
]))?
.write_message_noflush(&BeMessage::CommandComplete(b"SELECT 1"))?;
anyhow::Ok(())
}
.instrument(info_span!(
"handle_get_last_record_lsn",
shard_id = tracing::field::Empty
))
.await?;
}
// same as basebackup, but result includes relational data as well
else if let Some(params) = parts.strip_prefix(&["fullbackup"]) {
if params.len() < 2 {

2
test_runner/regress/test_auth.py
View File

@@ -211,7 +211,7 @@ def test_auth_failures(neon_env_builder: NeonEnvBuilder, auth_enabled: bool):
def check_pageserver(expect_success: bool, **conn_kwargs):
check_connection(
env.pageserver,
f"get_last_record_rlsn {env.initial_tenant} {timeline_id}",
f"show {env.initial_tenant}",
expect_success,
**conn_kwargs,
)