Github user maoling commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/584#discussion_r205961633
--- Diff: src/java/main/org/apache/zookeeper/server/DataTree.java ---
@@ -478,7 +478,10 @@ public void createNode(final String path, byte data[],
List<ACL> acl,
HashSet<String> list = ephemerals.get(ephemeralOwner);
if (list == null) {
list = new HashSet<String>();
- ephemerals.put(ephemeralOwner, list);
+ HashSet<String> _list;
+ if ((_list = ephemerals.putIfAbsent(ephemeralOwner,
list)) != null) {
+ list = _list;
+ }
}
synchronized (list) {
--- End diff --
@anmolnar
I will test it with that unit test , using a 'threadpool' and create
1000000 nodes to reproduce what I guessã
I wish I was wrong,but if i'm right ,you need to watch Breaking Bad series
(smirk).
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