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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3457) IPC.Client retry delay could be made configurable
Date Wed, 28 May 2008 13:15:45 GMT
IPC.Client retry delay could be made configurable
-------------------------------------------------

                 Key: HADOOP-3457
                 URL: https://issues.apache.org/jira/browse/HADOOP-3457
             Project: Hadoop Core
          Issue Type: Improvement
          Components: ipc
    Affects Versions: 0.18.0
            Reporter: Steve Loughran
            Priority: Minor


The delay of ipc.Client.handleConnectionFailure() that causes the client to block and wait
is hard coded at 1 second; any interruption of the thread is treated as a shortening of the
delay.

      // otherwise back off and retry
      try {
        Thread.sleep(1000);
      } catch (InterruptedException ignored) {}
      
1. this delay could be configurable; different clients may wish to retry more/less often.
or at a slightly different rate than their peers.

2. interrupting the thread may imply the client has been requested to terminate -this could
be handled by declaring failure early, rather than continuing to retry until the retry count
is exceeded.

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