Caspian created ZOOKEEPER-2217:
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Summary: event might lost before re-watch
Key: ZOOKEEPER-2217
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2217
Project: ZooKeeper
Issue Type: Improvement
Components: c client, java client
Affects Versions: 3.4.6, 3.4.5
Environment: jdk1.7_45 on centos6.5 and ubuntu14.4
Reporter: Caspian
I use zk to monitor the children nodes under a path, eg: /servers.
when the client is told that children changes, I have to re-watch the path
again, during the peroid, it's possible that some children down, or some up.
And those events will be missed.
For now, my temporary solution is not to use getChildren(path, true...) to get
children and re-watch this path, but re-watch this path first, then get the
children. Thus non events can be ignored, but I don't know what will the zk
server be like if there are too much clients that act like this.
How do you think of this problem? Is there any other solutions?
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