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https://issues.apache.org/jira/browse/ZOOKEEPER-1356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Hunt resolved ZOOKEEPER-1356.
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Resolution: Duplicate
Duplicate of ZOOKEEPER-338
> Avoid permanent caching of server IPs in the client
> ----------------------------------------------------
>
> Key: ZOOKEEPER-1356
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1356
> Project: ZooKeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.3.4, 3.4.2
> Reporter: Neha Narkhede
> Assignee: Neha Narkhede
>
> Relevant conversation on the dev mailing list -
> https://email.corp.linkedin.com/owa/redir.aspx?C=87f3d1e78c96438c8115e450f410d010&URL=http%3a%2f%2fmarkmail.org%2fmessage%2f3vzynx6rgurubf3p%3fq%3dPerforming%2bno%2bdowntime%2bhardware%2bchanges%2bto%2ba%2blive%2bzookeeper%2bcluster%2blist%3aorg%252Eapache%252Ehadoop%252Ezookeeper-dev
> Basically, the client caches the list of server IPs internally and maintains
> that list for the entire lifetime of the client. This limits the ability to
> remove/change a server node from a zookeeper cluster, without having to
> restart every client. Also, two levels of IP caching, one in the JVM and one
> in the zookeeper client code seems unnecessar.
> It would be ideal to provide a config option that would turn off this IP
> caching in the client and re-resolve the host names during the reconnect.
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