Warm HA NameNode going Hot
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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
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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