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从内存刷新到磁盘时无需并发写限制

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刘祥超
2024-04-30 21:23:44 +08:00
parent f66e672bb4
commit 406d5de482
1 changed files with 4 additions and 2 deletions
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4
internal/caches/storage_file.go
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@@ -616,11 +616,13 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, hea
if isNewCreated && existsFile { if isNewCreated && existsFile {
flags |= os.O_TRUNC flags |= os.O_TRUNC
} }
if !fsutils.WriterLimiter.TryAck() { if !isFlushing && !fsutils.WriterLimiter.TryAck() {
return nil, ErrServerIsBusy return nil, ErrServerIsBusy
} }
writer, err := os.OpenFile(tmpPath, flags, 0666) writer, err := os.OpenFile(tmpPath, flags, 0666)
if !isFlushing {
fsutils.WriterLimiter.Release() fsutils.WriterLimiter.Release()
}
if err != nil { if err != nil {
if os.IsNotExist(err) { if os.IsNotExist(err) {
_ = os.MkdirAll(dir, 0777) _ = os.MkdirAll(dir, 0777)