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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2020/06/01 07:37:28 UTC
[GitHub] [dubbo-go] zouyx commented on a change in pull request #578: Rft : Optimize lock for zookeeper registry
zouyx commented on a change in pull request #578:
URL: https://github.com/apache/dubbo-go/pull/578#discussion_r433082642
##########
File path: registry/zookeeper/registry.go
##########
@@ -156,12 +156,15 @@ func (r *zkRegistry) DoRegister(root string, node string) error {
}
func (r *zkRegistry) DoUnregister(root string, node string) error {
- r.cltLock.Lock()
- defer r.cltLock.Unlock()
- if !r.ZkClient().ZkConnValid() {
+ client := r.client
Review comment:
copy new var for operation
##########
File path: registry/zookeeper/registry.go
##########
@@ -252,9 +255,7 @@ func (r *zkRegistry) getListener(conf *common.URL) (*RegistryConfigurationListen
zkListener = NewRegistryConfigurationListener(r.client, r, conf)
if r.listener == nil {
- r.cltLock.Lock()
Review comment:
`client := r.client` is atomic
##########
File path: remoting/zookeeper/client.go
##########
@@ -468,9 +464,7 @@ func (z *ZookeeperClient) RegisterTemp(basePath string, node string) (string, er
err = errNilZkClientConn
data = []byte("")
zkPath = path.Join(basePath) + "/" + node
- z.Lock()
conn := z.Conn
Review comment:
as above
##########
File path: remoting/zookeeper/client.go
##########
@@ -446,9 +444,7 @@ func (z *ZookeeperClient) Delete(basePath string) error {
)
err = errNilZkClientConn
- z.Lock()
conn := z.Conn
Review comment:
as above
##########
File path: remoting/zookeeper/client.go
##########
@@ -419,9 +419,7 @@ func (z *ZookeeperClient) CreateWithValue(basePath string, value []byte) error {
for _, str := range strings.Split(basePath, "/")[1:] {
tmpPath = path.Join(tmpPath, "/", str)
err = errNilZkClientConn
- z.Lock()
conn := z.Conn
Review comment:
`conn := z.Conn` is atomic
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