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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5353) HA/Distributed HMaster via RegionServers
Date Tue, 14 Feb 2012 20:57:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208006#comment-13208006
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Todd Lipcon commented on HBASE-5353:
------------------------------------

bq. Because of this, I think a more important feature is to have the backup masters setup
a web server with an HTTP redirect to the active master's UI.
+1
                
> HA/Distributed HMaster via RegionServers
> ----------------------------------------
>
>                 Key: HBASE-5353
>                 URL: https://issues.apache.org/jira/browse/HBASE-5353
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, regionserver
>    Affects Versions: 0.94.0
>            Reporter: Jesse Yates
>            Priority: Minor
>
> Currently, the HMaster node(s) must be considered a 'special' node (though not a single
point of failover), meaning that the node must be protected more than the other cluster machines
or at least specially monitored. Minimally, we always need to ensure that the master is running,
rather than letting the system handle that internally. It should be possible to instead have
the HMaster be much more available, either in a distributed sense (meaning a bit rewrite)
or multiple, dynamically created instances combined with the hot fail-over of masters. 

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