[jira] Commented: (HBASE-1448) Add a node in ZK to tell all masters to shutdown.

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

    [ https://issues.apache.org/jira/browse/HBASE-1448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715631#action_12715631 ] 

stack commented on HBASE-1448:
------------------------------

+1  I tested it and it works shutting down all waiting masters as well as main


> Add a node in ZK to tell all masters to shutdown.
> -------------------------------------------------
>
>                 Key: HBASE-1448
>                 URL: https://issues.apache.org/jira/browse/HBASE-1448
>             Project: Hadoop HBase
>          Issue Type: New Feature
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.20.0
>
>         Attachments: hbase-1448-v1.patch
>
>
> Currently, shutting down a multi-master HBase is a bit of a mess since the backup masters aren't pinged by the stop-hbase script. To shut them down, you have to do a hbase-daemons.sh stop master. Also, with master failover in place, the backup masters may try to come alive. This can be solved by adding a "shutdown node" in ZK on which all masters should be listening.

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