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https://issues.apache.org/jira/browse/HBASE-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13188859#comment-13188859
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Karthik K commented on HBASE-4268:
----------------------------------

I had put in ZOOKEEPER-729 sometime ago, for the exact reason in the past. 


With zk 3.4.2 , we can delete recursively as : 

./bin/zkCli.sh rmr /hbase 


>From the latest comment, seems like the command has been renamed in future 
>releases though: 



                
> Add utility to entirely clear out ZK
> ------------------------------------
>
>                 Key: HBASE-4268
>                 URL: https://issues.apache.org/jira/browse/HBASE-4268
>             Project: HBase
>          Issue Type: New Feature
>          Components: scripts
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>
> In disaster scenarios, sometimes some cruft is left over in ZK, when it would 
> be better to do a truely clean startup. We should add a script which allows 
> the admin to clear out ZK while the cluster is down.

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