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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2013/10/09 00:38:42 UTC

[jira] [Created] (HDFS-5327) Rename StandbyException to FailoverException

Jing Zhao created HDFS-5327:
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             Summary: Rename StandbyException to FailoverException
                 Key: HDFS-5327
                 URL: https://issues.apache.org/jira/browse/HDFS-5327
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 3.0.0
            Reporter: Jing Zhao
            Assignee: Jing Zhao
            Priority: Minor


After HDFS-5291, client's RPC level can determine whether to retry the same server or failover to another server based on the two types of exception:

# The new introduced RetriableException indicating that the server is temporarily unavailable and clients can retry. 
# The old StandbyException indicating that clients can failover and try another server.

In this context, since the term "standby" only tells one scenario (active + standby), we may want to rename the StandbyException to FailoverException to make it more generic. 



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