xyuanlu commented on a change in pull request #1504:
URL: https://github.com/apache/helix/pull/1504#discussion_r516326657
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File path:
helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java
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@@ -402,13 +357,9 @@ public void invoke(NotificationContext changeContext)
throws Exception {
}
_expectTypes = nextNotificationType.get(type);
- if (type == Type.INIT || type == Type.FINALIZE) {
+ if (type == Type.INIT || type == Type.FINALIZE ||
changeContext.getIsChildChange()) {
subscribeForChanges(changeContext.getType(), _path, _watchChild);
- } else {
- // put SubscribeForChange run in async thread to reduce the latency of
zk callback handling.
- subscribeForChangesAsyn(changeContext.getType(), _path, _watchChild);
Review comment:
TFTR. The duplicated subscribeForChanges in HandleChildChange and do
resubscribe for child change in line 361. For data changes, this async
subscribe is also duplicated since the path is already resubscribed in
zkClient.
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