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https://issues.apache.org/jira/browse/HBASE-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12968980#action_12968980
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stack commented on HBASE-1502:
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We are almost there. If we could get rid of the split message and shutdown
being passed by HMsg, we'd be able to drop HMsg and just rely completely on zk
client ping.
> Remove need for heartbeats in HBase
> -----------------------------------
>
> Key: HBASE-1502
> URL: https://issues.apache.org/jira/browse/HBASE-1502
> Project: HBase
> Issue Type: Wish
> Reporter: Nitay Joffe
> Fix For: 0.92.0
>
>
> HBase currently uses heartbeats between region servers and the master,
> piggybacking information on them when it can. This issue is to investigate if
> we can get rid of the need for those using ZooKeeper events.
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