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Use min and maxt of the range head when creating a block (#7282)

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Signed-off-by: Krasi Georgiev <8903888+krasi-georgiev@users.noreply.github.com>
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Krasimir Georgiev 2020-05-22 14:30:06 +03:00 committed by GitHub
parent 09df8d94e0
commit f4dd45609a
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1 changed files with 8 additions and 5 deletions
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13
tsdb/db.go
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@ -750,7 +750,7 @@ func (db *DB) Compact() (err error) {
// consistently, we explicitly remove the last value
// from the block interval here.
head := NewRangeHead(db.head, mint, maxt-1)
if err := db.compactHead(head, mint, maxt); err != nil {
if err := db.compactHead(head); err != nil {
return err
}
}
@ -759,17 +759,20 @@ func (db *DB) Compact() (err error) {
}
// CompactHead compacts the given the RangeHead.
func (db *DB) CompactHead(head *RangeHead, mint, maxt int64) (err error) {
func (db *DB) CompactHead(head *RangeHead) (err error) {
db.cmtx.Lock()
defer db.cmtx.Unlock()
return db.compactHead(head, mint, maxt)
return db.compactHead(head)
}
// compactHead compacts the given the RangeHead.
// The compaction mutex should be held before calling this method.
func (db *DB) compactHead(head *RangeHead, mint, maxt int64) (err error) {
uid, err := db.compactor.Write(db.dir, head, mint, maxt, nil)
func (db *DB) compactHead(head *RangeHead) (err error) {
// Add +1 millisecond to block maxt because block intervals are half-open: [b.MinTime, b.MaxTime).
// Because of this block intervals are always +1 than the total samples it includes.
maxt := head.MaxTime() + 1
uid, err := db.compactor.Write(db.dir, head, head.MinTime(), maxt, nil)
if err != nil {
return errors.Wrap(err, "persist head block")
}