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https://issues.apache.org/jira/browse/ZOOKEEPER-522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050007#comment-13050007
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Vishal Kathuria commented on ZOOKEEPER-522:
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Thanks for opening this Jira Mahadev,
I haven't looked at the code - does this happen for both C and Java clients?
> zookeeper client should throttle if its not able to connect to any of the
> servers.
> ----------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-522
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-522
> Project: ZooKeeper
> Issue Type: Improvement
> Affects Versions: 3.2.0
> Reporter: Mahadev konar
> Fix For: 3.5.0
>
>
> Currently the zookeeper client library keeps connecting to servers if all of
> them are unreachable. It will go through the list time and again and try to
> connect. Sometimes, this might cause problems like too many clients retrying
> connect to servers (and there might be something wrong/delay with servers)
> wherein the clients will give up and will try reconnecting to other servers.
> This causes a huge churn in client connections sometimes leading to the
> zookeeper server running out of file handles.
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