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https://issues.apache.org/jira/browse/ZOOKEEPER-2016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128019#comment-14128019
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Alexander Shraer commented on ZOOKEEPER-2016:
---------------------------------------------

I'm not sure - basically you initialized the ZK object using one format and 
then call updateServerString using another format. If you would initialize the 
ZK object using localhost:... your current change wouldn't help, right ?

But I think that what ConfigUtil#getClientConfigStr returns should be what in 
the format that was specified in the server's config file, which should be the 
case after your change, right ?

> Automate client-side rebalancing
> --------------------------------
>
>                 Key: ZOOKEEPER-2016
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2016
>             Project: ZooKeeper
>          Issue Type: Improvement
>            Reporter: Hongchao Deng
>            Assignee: Hongchao Deng
>         Attachments: draft-2.patch, draft.patch
>
>
> ZOOKEEPER-1355 introduced client-side rebalancing, which is implemented in 
> both the C and Java client libraries. However, it requires the client to 
> detect a configuration change and call updateServerList with the new 
> connection string (see reconfig manual). It may be better if the client just 
> indicates that he is interested in this feature when creating a ZK handle and 
> we'll detect configuration changes and invoke updateServerList for him 
> underneath the hood.



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