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From "Uma Maheswara Rao G (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2678) HA: When a FailoverProxyProvider is used, DFSClient should not retry connection ten times before failing over
Date Wed, 14 Dec 2011 10:26:30 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13169250#comment-13169250
] 

Uma Maheswara Rao G commented on HDFS-2678:
-------------------------------------------


I think, this is the configuration (ipc.client.connect.max.retries) change right?
When we find the FailoverProxyProvider is used, then we can set this value to lower say 2/3
times?
                
> HA: When a FailoverProxyProvider is used, DFSClient should not retry connection ten times
before failing over
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2678
>                 URL: https://issues.apache.org/jira/browse/HDFS-2678
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, hdfs client
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>
> Even though the {{FailoverOnNetworkExceptionRetry}} retry policy tries to fail over immediately,
in the event the active is down, o.a.h.ipc.Client (below the RetryPolicy) will retry the initial
connection 10 times before bubbling up this exception to the RetryPolicy. This should be much
quicker.

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