Thank you, Amareshwari -

That helps.  Hadn't noticed HistoryViewer before. It has no JavaDoc.

What is a typical usage?  In other words, what would be the
"outputDir" value in the context of ToolRunner, JobClient, etc. ?

Paco


On Sun, Jul 27, 2008 at 11:48 PM, Amareshwari Sriramadasu
<[EMAIL PROTECTED]> wrote:
> Can you have a look at org.apache.hadoop.mapred.HistoryViewer and see if it
> make sense?
>
> Thanks
> Amareshwari
>
> Paco NATHAN wrote:
>>
>> We have a need to access data found in the JobTracker History link.
>> Specifically in the "Analyse This Job" analysis. Must be run in Java,
>> between jobs, in the same code which calls ToolRunner and JobClient.
>> In essence, we need to collect descriptive statistics about task
>> counts and times for map, shuffle, reduce.
>>
>> After tracing the flow of the JSP in "src/webapps/job"...  Is there a
>> better way to get at this data, *not* from the web UI perspective but
>> from the code?
>>
>> Tried to find any applicable patterns in JobTracker, ClusterStatus,
>> JobClient, etc., but no joy.
>>
>> Thanks,
>> Paco
>>
>
>

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