[jira] Commented: (HBASE-2534) Recursive deletes and misc improvements to ZKW

["Andrew Purtell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868932#action_12868932 ] 

Andrew Purtell commented on HBASE-2534:
---------------------------------------

+1

> Recursive deletes and misc improvements to ZKW
> ----------------------------------------------
>
>                 Key: HBASE-2534
>                 URL: https://issues.apache.org/jira/browse/HBASE-2534
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.21.0
>
>         Attachments: HBASE-2534.patch
>
>
> For replication I needed to add a bunch of features to ZooKeeperWrapper in order to make it more usable. I'm adding:
>  - a way to make recursive deletes (sync, so it's slower than async)
>  - a way to scan a list of znodes and add a watch to each of them
>  - a way to write a znode and have the method either fail if it already exists or overwrite it
>  - ensureExists as a public method with javadoc (very useful)
>  
> Also adding some more javadoc here and there and a unit test for deletes.

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