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tsdb/wal: some small refactoring for easier reading (#5930) 

Signed-off-by: johncming <johncming@yahoo.com>
This commit is contained in:
johncming 2019-08-22 21:12:59 +08:00 committed by Krasi Georgiev
parent 5e36aa1491
commit 7d43feb03f
1 changed files with 6 additions and 5 deletions
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11
tsdb/wal/wal.go
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@ -205,15 +205,16 @@ func NewSize(logger log.Logger, reg prometheus.Registerer, dir string, segmentSi
}
registerMetrics(reg, w)
_, j, err := w.Segments()
// Index of the Segment we want to open and write to.
writeSegmentIndex := 0
_, last, err := w.Segments()
if err != nil {
return nil, errors.Wrap(err, "get segment range")
}
// Index of the Segment we want to open and write to.
writeSegmentIndex := 0
// If some segments already exist create one with a higher index than the last segment.
if j != -1 {
writeSegmentIndex = j + 1
if last != -1 {
writeSegmentIndex = last + 1
}
segment, err := CreateSegment(w.dir, writeSegmentIndex)