frostfs-node/pkg/local_object_storage/writecache/writecachebadger/gc.go
Alejandro Lopez 88b6755c5e [#598] Fix use-after-close bug in badger writecache
Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>
2023-08-15 07:04:06 +00:00

39 lines
786 B
Go

package writecachebadger
import (
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
)
func (c *cache) runGCLoop() {
c.wg.Add(1)
go func() {
defer c.wg.Done()
t := time.NewTicker(c.gcInterval)
defer t.Stop()
for {
select {
case <-c.closeCh:
return
case <-t.C:
// This serves to synchronize the c.db field when changing mode as well.
c.modeMtx.RLock()
ro := c.readOnly()
c.modeMtx.RUnlock()
if ro {
continue
}
// 0.5 is the recommended value so that write amplification of the value log is 2.
// See https://pkg.go.dev/github.com/dgraph-io/badger/v4#DB.RunValueLogGC for more info.
for c.db.RunValueLogGC(0.5) == nil {
c.log.Debug(logs.WritecacheDBValueLogGCRunCompleted)
}
}
}
}()
}