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[BUGFIX] TSDB: Don't read in-order chunks from before head MinTime

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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 <bjboreham@gmail.com>
This commit is contained in:
Bryan Boreham 2024-10-07 13:50:01 +01:00
parent f6e110d588
commit 91de19fbef
1 changed files with 2 additions and 2 deletions
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4
tsdb/db.go
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@ -2060,7 +2060,7 @@ 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
@ -2138,7 +2138,7 @@ 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)