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tsdb/wal: Avoid writing closed channel. (#9566)

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Signed-off-by: johncming <johncming@yahoo.com>
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johncming 2021-11-06 17:41:06 +08:00 committed by GitHub
parent d18e42c650
commit b882d2b7c7
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1 changed files with 4 additions and 0 deletions
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4
tsdb/wal/wal.go
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@ -472,6 +472,10 @@ func (w *WAL) NextSegment() error {
// nextSegment creates the next segment and closes the previous one. // nextSegment creates the next segment and closes the previous one.
func (w *WAL) nextSegment() error { func (w *WAL) nextSegment() error {
if w.closed {
return errors.New("wal is closed")
}
// Only flush the current page if it actually holds data. // Only flush the current page if it actually holds data.
if w.page.alloc > 0 { if w.page.alloc > 0 {
if err := w.flushPage(true); err != nil { if err := w.flushPage(true); err != nil {