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From Mukund Madhugiri <muku...@yahoo-inc.com>
Subject Re: [VOTE] Release 0.15.0 (candidate 1)
Date Fri, 02 Nov 2007 17:14:34 GMT
After further investigation, and looking at re-run results of the 
benchmarks, I change my vote to +1.

Sort on 500 nodes, re-run #1: 2.43 hrs
Sort on 500 nodes, re-run #2: 2.36 hrs

Thanks,
Mukund

Mukund Madhugiri wrote:
> I am voting -1 for this as I am seeing performance degradation in the 
> Sort benchmarks with 500 nodes. I expect to have an update on the 
> performance problem by tomorrow.
>
> Here is the data on the performance degradation:
> Time taken for Sort benchmark on 500 nodes:
> - Oct 23: 2.4 hrs
> - Oct 25: 2.3 hrs (candidate 0)
> - Nov 01: 2.7 hrs (candidate 1)
>
> NOTE: 2.7 hrs is the highest in all the runs over the last month.
>
>
> Testing done:
> Unit tests  (on candidate 0 and candidate 1):
>    - Windows
>    - Linux
>
> The following benchmark jobs were run on 20, 100 and 500 nodes on 
> candidate 1. The benchmarks were additionally run on the 900 nodes 
> with candidate 0.
>    - TestDFSIO
>    - MRBench (aka SmallJobs)
>    - NNBench
>    - Sort (RandomWriter, Sort, SortValidation)
>
>
> Thanks,
> Mukund
>
>
>
> Doug Cutting wrote:
>> I've created a new candidate build for Hadoop 0.15.0.
>>
>>   http://people.apache.org/~cutting/hadoop-0.15.0-candidate-1/
>>
>> Should we release this?
>>
>> Doug

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