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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-3833) AM should retry map attempts if the reduce task encounters commpression related errors.
Date Thu, 14 Sep 2017 20:55:02 GMT

    [ https://issues.apache.org/jira/browse/TEZ-3833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16166950#comment-16166950
] 

Jason Lowe commented on TEZ-3833:
---------------------------------

{{shouldRetry}} is explicitly checking for an instance of {{SocketTimeoutException}} and will
always return false if it isn't.  The following code will always wrap the exception as an
{{IOException}}, defeating the entire purpose of {{shouldRetry}}:
{code}
      if ((ioe instanceof InternalError) || shouldRetry(srcAttemptId, new IOException(ioe)))
{
{code}


> AM should retry map attempts if the reduce task encounters commpression related errors.
> ---------------------------------------------------------------------------------------
>
>                 Key: TEZ-3833
>                 URL: https://issues.apache.org/jira/browse/TEZ-3833
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: TEZ-3833.001.patch
>
>
> Do the equivalent of https://issues.apache.org/jira/browse/MAPREDUCE-6633 so that compression
errors do not prove fatal for the DAG/tasks.



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