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lib/persistentqueue: verify that ReaderOffset doesnt exceed WriterOffset when opening the persistent queue

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/964
This commit is contained in:
Aliaksandr Valialkin 2020-12-14 19:25:23 +02:00
parent ae972429c7
commit d006b41eff
1 changed files with 4 additions and 0 deletions
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4
lib/persistentqueue/persistentqueue.go
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@ -336,6 +336,10 @@ func tryOpeningQueue(path, name string, chunkFileSize, maxBlockSize, maxPendingB
cleanOnError() cleanOnError()
return nil, fmt.Errorf("couldn't find chunk file for writing in %q", q.dir) return nil, fmt.Errorf("couldn't find chunk file for writing in %q", q.dir)
} }
if q.readerOffset > q.writerOffset {
cleanOnError()
return nil, fmt.Errorf("readerOffset=%d cannot exceed writerOffset=%d", q.readerOffset, q.writerOffset)
}
mustCloseFlockF = false mustCloseFlockF = false
return &q, nil return &q, nil
} }