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Add node-level JVM and CPU runtime metrics #20844

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Merged
msfroh merged 8 commits into from
Mar 12, 2026
+1,043 −0
Merged

Add node-level JVM and CPU runtime metrics #20844

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d0a1714
Add node-level JVM and CPU runtime metrics
akrahdan Mar 11, 2026
2debaed
Address review feedback: guard negative values, prevent resource leak
akrahdan Mar 11, 2026
c7abca8
Address review: add last_gc_stats, remove flag arguments, improve cov…
akrahdan Mar 12, 2026
484b3bd
Add non-heap committed gauge and null checks for constructor params
akrahdan Mar 12, 2026
461bfe9
Retry CI: flaky rolling-upgrade test (unrelated to this PR)
akrahdan Mar 12, 2026
a1ad84c
Retry CI: GitHub runner auth failure (transient)
akrahdan Mar 12, 2026
e1ad2a6
Retry CI: flaky rolling-upgrade test (unrelated to this PR)
akrahdan Mar 12, 2026
f23fd7b
Retry CI: flaky rolling-upgrade test (unrelated to this PR)
akrahdan Mar 12, 2026
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -39,6 +39,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
- Implement FieldMappingIngestionMessageMapper for pull-based ingestion ([#20729](https://github.com/opensearch-project/OpenSearch/pull/20729))
- Added support of WarmerRefreshListener in NRTReplicationEngine to trigger warmer after replication on replica shards ([#20650](https://github.com/opensearch-project/OpenSearch/pull/20650))
- WLM group custom search settings - groundwork and timeout ([#20536](https://github.com/opensearch-project/OpenSearch/issues/20536))
- Expose JVM runtime metrics via telemetry framework ([#20844](https://github.com/opensearch-project/OpenSearch/pull/20844))

### Changed
- Make telemetry `Tags` immutable ([#20788](https://github.com/opensearch-project/OpenSearch/pull/20788))
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