From 4bf3c93cd126fc13b1ce52b81e6db017d244cded Mon Sep 17 00:00:00 2001 From: Bryan Boreham Date: Mon, 7 Oct 2024 13:50:01 +0100 Subject: [PATCH] [BUGFIX] TSDB: Don't read in-order chunks from before head MinTime Because we are reimplementing the `IndexReader` to fetch in-order and out-of-order chunks together, we must reproduce the behaviour of `Head.indexRange()`, which floors the minimum time queried at `head.MinTime()`. Signed-off-by: Bryan Boreham (cherry picked from commit 91de19fbeffe19429f10c501a2f4364ae01711ea) --- tsdb/db.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tsdb/db.go b/tsdb/db.go index 70cf68dee..1a329d9c1 100644 --- a/tsdb/db.go +++ b/tsdb/db.go @@ -2132,7 +2132,7 @@ func (db *DB) Querier(mint, maxt int64) (_ storage.Querier, err error) { overlapsOOO := overlapsClosedInterval(mint, maxt, db.head.MinOOOTime(), db.head.MaxOOOTime()) var headQuerier storage.Querier - inoMint := mint + inoMint := max(db.head.MinTime(), mint) if maxt >= db.head.MinTime() || overlapsOOO { rh := NewRangeHead(db.head, mint, maxt) var err error @@ -2210,7 +2210,7 @@ func (db *DB) blockChunkQuerierForRange(mint, maxt int64) (_ []storage.ChunkQuer overlapsOOO := overlapsClosedInterval(mint, maxt, db.head.MinOOOTime(), db.head.MaxOOOTime()) var headQuerier storage.ChunkQuerier - inoMint := mint + inoMint := max(db.head.MinTime(), mint) if maxt >= db.head.MinTime() || overlapsOOO { rh := NewRangeHead(db.head, mint, maxt) headQuerier, err = db.blockChunkQuerierFunc(rh, mint, maxt)