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From "Rajesh Balamohan (Jira)" <j...@apache.org>
Subject [jira] [Created] (TEZ-4156) Fix Tez to reuse IPC connections
Date Mon, 27 Apr 2020 06:36:00 GMT
Rajesh Balamohan created TEZ-4156:

             Summary: Fix Tez to reuse IPC connections
                 Key: TEZ-4156
                 URL: https://issues.apache.org/jira/browse/TEZ-4156
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Rajesh Balamohan

When tracking DAG progress, TezClientUtils ends up creating new remote user. Because of this
new UGI creation, IPC connections are not reused internally.


More info from Hadoop side:

In hadoop's IPC layer, connectionIds are checked based on UserGroupInformation.

However, UserGroupInformation comparison is based on ==

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