Expose projection hints in parquet queryable#7152
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yeya24 merged 6 commits intocortexproject:masterfrom Dec 22, 2025
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Expose projection hints in parquet queryable#7152yeya24 merged 6 commits intocortexproject:masterfrom
yeya24 merged 6 commits intocortexproject:masterfrom
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LGTM, can you check the lint CI? |
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@SungJin1212 I am waiting for prometheus-community/parquet-common#128 to be merged first. The current projection hints implementation will fail for the default case where the query cannot use projection pushdown |
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LGTM, can you add a changelog? |
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alanprot
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pkg/querier/parquet_queryable.go
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| sortSeries = true | ||
| } | ||
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| queryIngesters := q.queryIngestersWithin == 0 || maxt >= util.TimeToMillis(time.Now().Add(-q.queryIngestersWithin).Add(-q.projectionHintsIngesterBuffer)) |
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This maxt is the original maxt or is the maxt already changed to not contain the timestamp for data in the ingesters?
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What this PR does:
This PR supports projection pushdown in Parquet Queryable. New config is added to honor projection hints.
Projection pushdown is only enabled if:
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]