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https://issues.apache.org/jira/browse/HDFS-2064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dennis Oberhoff updated HDFS-2064:
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Priority: Blocker (was: Major)
> Warm HA NameNode going Hot
> --------------------------
>
> Key: HDFS-2064
> URL: https://issues.apache.org/jira/browse/HDFS-2064
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Attachments: WarmHA-GoingHot.pdf, failover-v-0.22.patch
>
>
> This is the design for automatic hot HA for HDFS NameNode. It involves use of
> HA software and LoadReplicator - external to Hadoop components, which
> substantially simplify the architecture by separating HA- from
> Hadoop-specific problems. Without the external components it provides warm
> standby with manual failover.
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