HA: HDFS clients must handle namenode failover and switch over to the new
active namenode.
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Key: HDFS-1973
URL: https://issues.apache.org/jira/browse/HDFS-1973
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Suresh Srinivas
During failover, a client must detect the current active namenode failure and
switch over to the new active namenode. The switch over might make use of IP
failover or some thing more elaborate such as zookeeper to discover the new
active.
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