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https://issues.apache.org/jira/browse/HADOOP-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-1304:
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Attachment: 1304.patch
This patch is with ("Expert:") setters in the JobConf for the config items
mapred.{map/reduce}.max.attempts. Now users can use the APIs in JobConf to set
the values of these config items when they submit jobs, and the framework reads
those values from the user's JobConf on a per-job basis.
> MAX_TASK_FAILURES should be configurable
> ----------------------------------------
>
> Key: HADOOP-1304
> URL: https://issues.apache.org/jira/browse/HADOOP-1304
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.12.3
> Reporter: Christian Kunz
> Assigned To: Devaraj Das
> Attachments: 1304.patch, 1304.patch, 1304.patch, 1304.patch
>
>
> After a couple of weeks of failed attempts I was able to finish a large job
> only after I changed MAX_TASK_FAILURES to a higher value. In light of
> HADOOP-1144 (allowing a certain amount of task failures without failing the
> job) it would be even better if this value could be configured separately for
> mappers and reducers, because often a success of a job requires the success
> of all reducers but not of all mappers.
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