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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10688) Add a draining_node script to manage nodes in draining mode
Date Wed, 12 Mar 2014 04:14:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13931365#comment-13931365

Enis Soztutar commented on HBASE-10688:

Thanks Lars for looking. 
bq. Since the purpose of this is to set/remove znodes it might be better to fail with an exception
if that fails rather then failing silently.
We are using ZkUtil.createAndFailSilent() and deleteAndfailSilent() because it might happen
that the node got added or removed by someone else. They will only swallow node exists / node
does not exists exceptions, not generic zookeeper exceptions. 

> Add a draining_node script to manage nodes in draining mode
> -----------------------------------------------------------
>                 Key: HBASE-10688
>                 URL: https://issues.apache.org/jira/browse/HBASE-10688
>             Project: HBase
>          Issue Type: Sub-task
>          Components: scripts
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 0.99.0
>         Attachments: 0001-HBASE-10688-v1.patch
> As per parent issue, our support for graceful stop and node decommissioning can be improved
a lot. However, until we fix it for good, we can add a draining_node script to manage the
nodes in draining mode in zk. 

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