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Don't error on overlapping m-mapped chunks during WAL replay (#9381)

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Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
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Ganesh Vernekar 2021-10-01 14:34:12 +05:30 committed by GitHub
parent e5b1b15dc3
commit 8c597e5166
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1 changed files with 10 additions and 5 deletions
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15
tsdb/head_wal.go
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@ -241,8 +241,6 @@ Outer:
}
// Checking if the new m-mapped chunks overlap with the already existing ones.
// This should never happen, but we have a check anyway to detect any
// edge cases that we might have missed.
if len(mSeries.mmappedChunks) > 0 && len(mmc) > 0 {
if overlapsClosedInterval(
mSeries.mmappedChunks[0].minTime,
@ -250,9 +248,16 @@ Outer:
mmc[0].minTime,
mmc[len(mmc)-1].maxTime,
) {
// The m-map chunks for the new series ref overlaps with old m-map chunks.
seriesCreationErr = errors.Errorf("overlapping m-mapped chunks for series %s", mSeries.lset.String())
break Outer
level.Warn(h.logger).Log(
"msg", "M-mapped chunks overlap on a duplicate series record",
"series", mSeries.lset.String(),
"oldref", mSeries.ref,
"oldmint", mSeries.mmappedChunks[0].minTime,
"oldmaxt", mSeries.mmappedChunks[len(mSeries.mmappedChunks)-1].maxTime,
"newref", walSeries.Ref,
"newmint", mmc[0].minTime,
"newmaxt", mmc[len(mmc)-1].maxTime,
)
}
}