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pageserver: add metric for number of wal records received by each shard (#10035)

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## Problem

With the current metrics we can't identify which shards are ingesting
data at any given time.

## Summary of changes

Add a metric for the number of wal records received for processing by
each shard. This is per (tenant, timeline, shard).
This commit is contained in:
Vlad Lazar
2024-12-06 12:51:41 +00:00
committed by GitHub
parent fa07097f2f
commit cc70fc802d
3 changed files with 29 additions and 0 deletions
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test_runner/fixtures/metrics.py
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@@ -175,6 +175,7 @@ PAGESERVER_PER_TENANT_METRICS: tuple[str, ...] = (
counter("pageserver_tenant_throttling_count_accounted_finish"),
counter("pageserver_tenant_throttling_wait_usecs_sum"),
counter("pageserver_tenant_throttling_count"),
counter("pageserver_timeline_wal_records_received"),
*histogram("pageserver_page_service_batch_size"),
*PAGESERVER_PER_TENANT_REMOTE_TIMELINE_CLIENT_METRICS,
# "pageserver_directory_entries_count", -- only used if above a certain threshold