Harish Jaiprakash created TEZ-3960:
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             Summary: Better error handling in proto history logger and add doAs support.
                 Key: TEZ-3960
                 URL: https://issues.apache.org/jira/browse/TEZ-3960
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Harish Jaiprakash
            Assignee: Harish Jaiprakash


DagManifestScanner gets stuck for a days logs if there are errors in them. Fix it using fixed number of retries.

The scanner should be able to use doAs to ensure it can read files if run using a proxy admin user.



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