Umbrella Jira for HDFS-HA Phase 2
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Key: HDFS-3278
URL: https://issues.apache.org/jira/browse/HDFS-3278
Project: Hadoop HDFS
Issue Type: New Feature
Reporter: Sanjay Radia
Assignee: Sanjay Radia
HDFS-1623 gives a high level architecture and design for hot automatic failover
of the NN. Branch HDFS-1623 was merged into trunk for tactical reasons even
though the work for HA was not complete, Branch HDFS-1623 contained mechanisms
for keeping a standby Hot (ie read from shared journal), dual block reports,
fencing of DNs, Zookeeper library for leader election etc. This Umbrella jira
covers the remaining work for HA and will link all the jiras for the remaining
work. Unlike HDFS-1623 no single branch will be created - work will proceed in
parallel branches.
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