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https://issues.apache.org/jira/browse/HADOOP-4854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12656543#action_12656543
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Sreekanth Ramakrishnan commented on HADOOP-4854:
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The TestCapacityScheduler is failing with the current patch, will upload a
patch once i fix those issues.
> Capacity Scheduler should read the reclaim-capacity-interval config value
> from its own config file
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4854
> URL: https://issues.apache.org/jira/browse/HADOOP-4854
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/capacity-sched
> Reporter: Vivek Ratan
> Assignee: Sreekanth Ramakrishnan
> Priority: Minor
> Attachments: HADOOP-4854-1.patch, HADOOP-4854-2.patch
>
>
> The Capacity Scheduler needs to know the time interval for checking whether
> capacity needs to be reclaimed. This is represented by the static variable
> RECLAIM_CAPACITY_INTERVAL. This value is currently read as follows:
> {code}
> RECLAIM_CAPACITY_INTERVAL =
> conf.getLong("mapred.capacity-scheduler.reclaimCapacity.interval", 5);
> {code}
> This is incorrect for the following reasons:
> * ""mapred.capacity-scheduler.reclaimCapacity.interval" is not present in any
> of the config files: hadoop-site.xml or capacity-scheduler.xml.
> * "mapred.capacity-scheduler.reclaimCapacity.interval" should be specified in
> the scheduler's config file, capacity-scheduler.xml. It should be read
> through org.apache.hadoop.mapred.CapacitySchedulerConf.
> * The Forrest documentation for the Capacity Scheduler should describe this
> setting. We should probably create a new sub-section under 'Configuration',
> titled 'Configuring properties for the Scheduler'.
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