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apply meta changes only if store is different

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This commit is contained in:
Chris Lu
2020-09-05 23:25:03 -07:00
parent d741ed66db
commit 8acd714600
4 changed files with 65 additions and 81 deletions
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22
weed/server/filer_grpc_server_sub_meta.go
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@@ -63,21 +63,19 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq
eachLogEntryFn := eachLogEntryFn(eachEventNotificationFn)
if _, ok := fs.filer.Store.ActualStore.(filer.FilerLocalStore); ok {
// println("reading from persisted logs ...")
processedTsNs, err := fs.filer.ReadPersistedLogBuffer(lastReadTime, eachLogEntryFn)
if err != nil {
return fmt.Errorf("reading from persisted logs: %v", err)
}
if processedTsNs != 0 {
lastReadTime = time.Unix(0, processedTsNs)
}
glog.V(0).Infof("after local log reads, %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
// println("reading from persisted logs ...")
processedTsNs, err := fs.filer.ReadPersistedLogBuffer(lastReadTime, eachLogEntryFn)
if err != nil {
return fmt.Errorf("reading from persisted logs: %v", err)
}
if processedTsNs != 0 {
lastReadTime = time.Unix(0, processedTsNs)
}
glog.V(0).Infof("after local log reads, %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
// println("reading from in memory logs ...")
err := fs.filer.LocalMetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
err = fs.filer.LocalMetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
fs.listenersLock.Lock()
fs.listenersCond.Wait()
fs.listenersLock.Unlock()