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https://issues.apache.org/jira/browse/MAPREDUCE-740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729455#action_12729455
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Hong Tang commented on MAPREDUCE-740:
-------------------------------------
Additionally:
- We should summarize the information in one line in an easy-to-parse format,
eg comma separated key=value list.
- We should also specify the number of map slots and reduce slots taken by each
map task and reduce task.
- We may want to use a distinctive appender so that the administrator may
choose to redirect the output of the summary info.
- The cluster wide capacity of map slots and reduce slots change over time. For
now, let's simplify the definition as the map/reduce slot capacity by the time
the job finishes.
> Provide summary information per job once a job is finished.
> -----------------------------------------------------------
>
> Key: MAPREDUCE-740
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-740
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Hong Tang
> Priority: Minor
>
> It would be nice if JobTracker can output a one line summary information per
> job once a job is finished. Otherwise, users or system administrators would
> end up scraping individual job history logs.
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