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https://issues.apache.org/jira/browse/ZOOKEEPER-829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893919#action_12893919
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Todd Lipcon commented on ZOOKEEPER-829:
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The feature we need in HBase is the ability to kill it immediately (and hence
fence it from making any further actions in ZK)
> Add /zookeeper/sessions/* to allow inspection/manipulation of client sessions
> -----------------------------------------------------------------------------
>
> Key: ZOOKEEPER-829
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-829
> Project: Zookeeper
> Issue Type: New Feature
> Components: server
> Reporter: Todd Lipcon
>
> For some use cases in HBase (HBASE-1316 in particular) we'd like the ability
> to forcible expire someone else's ZK session. Patrick and I discussed on IRC
> and came up with an idea of creating nodes in /zookeeper/sessions/<session
> id> that can be read in order to get basic stats about a session, and written
> in order to manipulate one. The manipulation we need in HBase is the ability
> to write a command like "kill", but others might be useful as well.
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