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https://issues.apache.org/jira/browse/HADOOP-4973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721777#action_12721777
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Amar Kamat commented on HADOOP-4973:
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The changes are
# check for job after incremental changes to clock is changes to just once check
# two test cases
## min > max : check if the job survives min amount of time
## max > min : check if after max amount of time the job is expired
# removed some debug statements from jobtracker
# checkpoint renamed to snapshot
# Test description corrected and added some more comments.
> Allow jobtracker to be configured with zero completed jobs in memory
> --------------------------------------------------------------------
>
> Key: HADOOP-4973
> URL: https://issues.apache.org/jira/browse/HADOOP-4973
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.21.0
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Fix For: 0.21.0
>
> Attachments: HADOOP-4973-v2.1.patch, HADOOP-4973-v2.2.patch
>
>
> There is no way to specify that the jobtracker should not keep any completed
> job in memory.
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