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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3245) Provide ability to persist running jobs (extend HADOOP-1876)
Date Thu, 07 Aug 2008 03:47:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620501#action_12620501
] 

Amar Kamat commented on HADOOP-3245:
------------------------------------

bq. If you have done a sync after a write to a HDFS file and then do not do anything else
to that file for 1 hour the namenode will recover that file and will make all the data that
was synced earlier to appear in the file.
Is this time (1hr) configurable? Can it be configured on per file basis?



> Provide ability to persist running jobs (extend HADOOP-1876)
> ------------------------------------------------------------
>
>                 Key: HADOOP-3245
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3245
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Devaraj Das
>            Assignee: Amar Kamat
>         Attachments: HADOOP-3245-v2.5.patch, HADOOP-3245-v2.6.5.patch, HADOOP-3245-v2.6.9.patch,
HADOOP-3245-v4.1.patch, HADOOP-3245-v5.13.patch
>
>
> This could probably extend the work done in HADOOP-1876. This feature can be applied
for things like jobs being able to survive jobtracker restarts.

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