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use preinitialize_metrics to initialize page cache metrics (#4557)

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This is follow-up to

```
commit 2252c5c282
Author: Alex Chi Z <iskyzh@gmail.com>
Date:   Wed Jun 14 17:12:34 2023 -0400

    metrics: convert some metrics to pageserver-level (#4490)
```
This commit is contained in:
Christian Schwarz
2023-06-23 22:40:50 +02:00
committed by GitHub
parent 15456625c2
commit a500bb06fb
1 changed files with 4 additions and 5 deletions
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9
pageserver/src/metrics.rs
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@@ -845,11 +845,6 @@ impl TimelineMetrics {
let evictions_with_low_residence_duration =
evictions_with_low_residence_duration_builder.build(&tenant_id, &timeline_id);
// TODO(chi): remove this once we remove Lazy for all metrics. Otherwise this will not appear in the exporter
// and integration test will error.
MATERIALIZED_PAGE_CACHE_HIT_DIRECT.get();
MATERIALIZED_PAGE_CACHE_HIT.get();
TimelineMetrics {
tenant_id,
timeline_id,
@@ -1324,4 +1319,8 @@ pub fn preinitialize_metrics() {
// Same as above for this metric, but, it's a Vec-type metric for which we don't know all the labels.
BACKGROUND_LOOP_PERIOD_OVERRUN_COUNT.reset();
// Python tests need these.
MATERIALIZED_PAGE_CACHE_HIT_DIRECT.get();
MATERIALIZED_PAGE_CACHE_HIT.get();
}