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mount: invalidate meta cache on follow retry (#8173)

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* mount: invalidate meta cache on follow retry

* mount: clear cache under mount root on retry
This commit is contained in:
Chris Lu
2026-01-31 11:18:26 -08:00
committed by GitHub
parent 79722bcf30
commit fe6f8d737d
3 changed files with 22 additions and 2 deletions
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11
weed/mount/inode_to_path.go
View File

@@ -195,6 +195,17 @@ func (i *InodeToPath) HasInode(inode uint64) bool {
return found
}
func (i *InodeToPath) InvalidateAllChildrenCache() {
i.Lock()
defer i.Unlock()
for _, entry := range i.inode2path {
if entry.isDirectory && entry.isChildrenCached {
entry.isChildrenCached = false
entry.cachedExpiresTime = time.Time{}
}
}
}
func (i *InodeToPath) AddPath(inode uint64, path util.FullPath) {
i.Lock()
defer i.Unlock()

5
weed/mount/meta_cache/meta_cache_subscribe.go
View File

@@ -43,7 +43,7 @@ func mergeProcessors(mainProcessor func(resp *filer_pb.SubscribeMetadataResponse
}
}
func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64, followers ...*MetadataFollower) error {
func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64, onRetry func(lastTsNs int64, err error), followers ...*MetadataFollower) error {
var prefixes []string
for _, follower := range followers {
@@ -117,6 +117,9 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
metadataFollowOption.ClientEpoch++
return pb.WithFilerClientFollowMetadata(client, metadataFollowOption, mergeProcessors(processEventFn, followers...))
}, func(err error) bool {
if onRetry != nil {
onRetry(metadataFollowOption.StartTsNs, err)
}
glog.Errorf("follow metadata updates: %v", err)
return true
})

8
weed/mount/weedfs.go
View File

@@ -215,7 +215,13 @@ func (wfs *WFS) StartBackgroundTasks() error {
}
startTime := time.Now()
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano(), follower)
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano(), func(lastTsNs int64, err error) {
glog.Warningf("meta events follow retry from %v: %v", time.Unix(0, lastTsNs), err)
if deleteErr := wfs.metaCache.DeleteFolderChildren(context.Background(), util.FullPath(wfs.option.FilerMountRootPath)); deleteErr != nil {
glog.Warningf("meta cache cleanup failed: %v", deleteErr)
}
wfs.inodeToPath.InvalidateAllChildrenCache()
}, follower)
go wfs.loopCheckQuota()
go wfs.loopFlushDirtyMetadata()