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From Grandl Robert <rgra...@yahoo.com.INVALID>
Subject Re: CPU_MILLISECONDS counter is negative for Reduce vertices
Date Mon, 07 Jul 2014 20:14:34 GMT
I submitted a patch which should solve the problem. 

On Monday, July 7, 2014 12:57 PM, Gopal V <gopalv@apache.org> wrote:

On 7/6/14, 8:03 PM, Gopal V wrote:


I noticed that this issue has been reported before by Sergey.


I will get to this on Thu when I have my perf-runs at scale.

If you want to get to it before that, go ahead and submit a patch.

> On 7/6/14, 6:37 PM, Grandl Robert wrote:
>> Hi guys,
>> I observed that CPU_MILLISECONDS statistic is always negative for Reduce tasks. I
> tez-0.5 from master. Similar in tez-0.4.
>> Do you know how I can fix it ?
> Thanks for offering!
> Looks like the issue is in TaskCounterUpdater.java:124.
> Please open a JIRA and I'll commit your patch once you can confirm the fix.
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