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perf: TSDB: Add fast-path to inversePostingsForMatcher #12679

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merged 1 commit into from
Apr 19, 2024
Merged

perf: TSDB: Add fast-path to inversePostingsForMatcher #12679

merged 1 commit into from
Apr 19, 2024

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DylanGuedes
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What this PR does / why we need it:
Our inversePostingsForMatcher code was introduced ~2 years ago. Since then, Prometheus added some nice performance optimizations that we didn't track (example).
This PR updates our inversePostingsForMatcher implementation to inherit two of them, that are fast-paths and allow skipping a LabelValues query.

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Checklist

  • Reviewed the CONTRIBUTING.md guide (required)
  • Documentation added
  • Tests updated
  • Title matches the required conventional commits format, see here
  • Changes that require user attention or interaction to upgrade are documented in docs/sources/setup/upgrade/_index.md
  • For Helm chart changes bump the Helm chart version in production/helm/loki/Chart.yaml and update production/helm/loki/CHANGELOG.md and production/helm/loki/README.md. Example PR
  • If the change is deprecating or removing a configuration option, update the deprecated-config.yaml and deleted-config.yaml files respectively in the tools/deprecated-config-checker directory. Example PR

@DylanGuedes DylanGuedes requested a review from a team as a code owner April 18, 2024 17:00
@DylanGuedes DylanGuedes changed the title performance: TSDB: Add fast-path to inversePostingsForMatcher perf: TSDB: Add fast-path to inversePostingsForMatcher Apr 18, 2024
cyriltovena
cyriltovena approved these changes Apr 19, 2024
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LGTM

@cyriltovena cyriltovena merged commit 402d1d7 into main Apr 19, 2024
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@cyriltovena cyriltovena deleted the update-inversepostingsformatcher branch April 19, 2024 07:56
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@cyriltovena cyriltovena cyriltovena approved these changes

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@DylanGuedes @cyriltovena