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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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Konstantin Shvachko updated HDFS-2064:
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Attachment: WarmHA-GoingHot.pdf
The design document. This is generally in line with ideas laid out in
HDFS-1623, and can be considered as a part of it. Although it is self
sufficient imo, and will cover most practical cases.
> 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
> Attachments: WarmHA-GoingHot.pdf
>
>
> 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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