kaisun2000 commented on a change in pull request #688: Fix the watcher leakage
issue
URL: https://github.com/apache/helix/pull/688#discussion_r375017579
##########
File path:
helix-core/src/main/java/org/apache/helix/manager/zk/zookeeper/ZkClient.java
##########
@@ -1278,29 +1279,28 @@ private void fireDataChangedEvents(final String path,
Set<IZkDataListenerEntry>
+ listener.getDataListener() + " prefetch data: " +
listener.isPrefetchData()) {
@Override
public void run() throws Exception {
- // Reinstall watch before listener callbacks to check the znode
status
if (!pathStatRecord.pathChecked()) {
- pathStatRecord.recordPathStat(getStat(path, true),
notificationTime);
+ pathStatRecord.recordPathStat(getStat(path, pathExists),
notificationTime);
}
- if (!pathStatRecord.pathExists()) {
- // no znode found at the path, trigger data deleted handler.
+ if (!pathExists) {
Review comment:
Seems to me all the change from line 1285 is not necessary, right? We can
still use the old code.
The change may not be wrong, but seems to necessary.
Or did I miss something here?
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