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