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add pageserver-global histogram for basebackup latency (#4559)

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The histogram distinguishes by ok/err.

I took the liberty to create a small abstraction for such use cases.
It helps keep the label values inside `metrics.rs`, right next
to the place where the metric and its labels are declared.
This commit is contained in:
Christian Schwarz
2023-06-23 16:42:12 +02:00
committed by GitHub
parent c07b6ffbdc
commit 76718472be
5 changed files with 65 additions and 4 deletions
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test_runner/fixtures/metrics.py
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@@ -62,6 +62,7 @@ PAGESERVER_GLOBAL_METRICS: Tuple[str, ...] = (
"pageserver_getpage_reconstruct_seconds_bucket",
"pageserver_getpage_reconstruct_seconds_count",
"pageserver_getpage_reconstruct_seconds_sum",
*[f"pageserver_basebackup_query_seconds_{x}" for x in ["bucket", "count", "sum"]],
)
PAGESERVER_PER_TENANT_METRICS: Tuple[str, ...] = (