kaisun2000 commented on a change in pull request #688: Fix the watcher leakage
issue
URL: https://github.com/apache/helix/pull/688#discussion_r375030874
##########
File path:
helix-core/src/main/java/org/apache/helix/manager/zk/zookeeper/ZkClient.java
##########
@@ -1309,22 +1306,24 @@ public void run() throws Exception {
}
}
- private void fireChildChangedEvents(final String path, Set<IZkChildListener>
childListeners) {
+ private void fireChildChangedEvents(final String path, Set<IZkChildListener>
childListeners, boolean pathExists) {
try {
- final ZkPathStatRecord pathStatRecord = new ZkPathStatRecord(path);
for (final IZkChildListener listener : childListeners) {
_eventThread.send(new ZkEvent("Children of " + path + " changed sent
to " + listener) {
@Override
public void run() throws Exception {
- // Reinstall watch before listener callbacks to check the znode
status
- if (!pathStatRecord.pathChecked()) {
Review comment:
This is actually debatable. I am more into thinking that " the fix" just fix
the problem, don't introduce non essential change. Or change the metric
reporting behavior. One fix for one issue.
That said, I don't have strong opinion here. Check with JJ. I am fine either
way.
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