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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7306) Set default RPC timeout to 5 minutes
Date Mon, 09 Oct 2017 21:35:00 GMT
Yufei Gu created YARN-7306:

             Summary: Set default RPC timeout to 5 minutes
                 Key: YARN-7306
                 URL: https://issues.apache.org/jira/browse/YARN-7306
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: nodemanager, resourcemanager
            Reporter: Yufei Gu
            Assignee: Yufei Gu

The motivation is well described in HADOOP-11252. 
The RPC client has a default timeout set to 0 when no timeout is passed in. This means that
the network connection created will not timeout when used to write data. The issue has shown
in YARN-2578 and HDFS-4858. Timeouts for writes then fall back to the tcp level retry (configured
via tcp_retries2) and timeouts between the 15-30 minutes. Which is too long for a default
However, HADOOP-11252 didn't set the default value to a meaningful timeout(it is zero, which
means infinity). User will still hit this issue by default. Maybe we should set the default
value to  a meaningful one.

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