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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5145) Change default max-attempts to be more than one for MR jobs as well
Date Thu, 11 Apr 2013 22:41:15 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen updated MAPREDUCE-5145:
-----------------------------------

    Attachment: MAPREDUCE-5145.1.patch

Similar to YARN-542, I've drafted a patch, including the following changes:

1. Change the default value of mapreduce.am.max-attempts from 1 to 2.

2. Fix the test cases of TestStagingCleanup. Use MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS and
assert it is larger than 1 when retry is required, while use 1 when retry is not required.
                
> Change default max-attempts to be more than one for MR jobs as well
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5145
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5145
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: MAPREDUCE-5145.1.patch
>
>
> We need to give the AM of MR jobs the chance to retry.

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