github/containerd
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

Add gc policy plugin

Browse Source 
Add garbage collection as a background process and policy
configuration for configuring when to run garbage collection.
By default garbage collection will run when deletion occurs
and no more than 20ms out of every second.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
2017-10-12 17:22:41 -07:00
parent 1bd39d36ed
commit 00596f400e
10 changed files with 616 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
metadata/content.go
View File

@@ -530,12 +530,14 @@ func writeInfo(info *content.Info, bkt *bolt.Bucket) error {
return bkt.Put(bucketKeySize, sizeEncoded)
}
func (cs *contentStore) garbageCollect(ctx context.Context) error {
lt1 := time.Now()
func (cs *contentStore) garbageCollect(ctx context.Context) (d time.Duration, err error) {
cs.l.Lock()
t1 := time.Now()
defer func() {
if err == nil {
d = time.Now().Sub(t1)
}
cs.l.Unlock()
log.G(ctx).WithField("t", time.Now().Sub(lt1)).Debugf("content garbage collected")
}()
seen := map[string]struct{}{}
@@ -570,10 +572,10 @@ func (cs *contentStore) garbageCollect(ctx context.Context) error {
return nil
}); err != nil {
return err
return 0, err
}
return cs.Store.Walk(ctx, func(info content.Info) error {
err = cs.Store.Walk(ctx, func(info content.Info) error {
if _, ok := seen[info.Digest.String()]; !ok {
if err := cs.Store.Delete(ctx, info.Digest); err != nil {
return err
@@ -582,4 +584,5 @@ func (cs *contentStore) garbageCollect(ctx context.Context) error {
}
return nil
})
return
}