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https://issues.apache.org/jira/browse/HADOOP-4413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666251#action_12666251
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Hemanth Yamijala commented on HADOOP-4413:
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I am in two minds about setQueueStats which captures time series data. While on
the one hand, a log file based approach to capture this time series data would
help us move faster on this JIRA, on the other hand, if the Chukwa team cannot
consume it at all, we might need to end up changing the implementation anyway.
So, Mac, what would you suggest ? For the time being, would it be OK to go with
the log based approach, as defined presently ? And then change it (over time)
to use the Metrics API ?
> Capacity Scheduler to provide a scheduler history log to record actions taken
> and why
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-4413
> URL: https://issues.apache.org/jira/browse/HADOOP-4413
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/capacity-sched
> Reporter: Mac Yang
> Attachments: 4413.1.patch
>
>
> It would be very useful if the capacity scheduler can provide a log that
> record the decisions made and actions taken by the scheduler.
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