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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-2162) Provide last failure point when retry a mapper task
Date Thu, 11 Aug 2011 18:56:27 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins resolved HADOOP-2162.
---------------------------------

    Resolution: Won't Fix

Out of date

> Provide last failure point when retry a mapper task
> ---------------------------------------------------
>
>                 Key: HADOOP-2162
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2162
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Yiping Han
>
> Currently when a mapper failed and get restarted, the restarted mapper can find out if
itself is a retry or the first try from the task name. We want to also know where in the input
the last try failed. 
> With the last failure point, our mapper can then do something different for the particular
input. The failure point does not necessary to be very accurate. The reason we ask for this
instead of let hadoop to deal with the failure record is, in such a way we can do something
special for the failure record instead of simply skip it.

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