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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Pagerank example doesn't work
Date Thu, 30 Aug 2012 13:24:24 GMT
Just two minutes were needed to process wikipedia dataset. Is this normal?

On Tue, Jul 10, 2012 at 8:17 PM, Thomas Jungblut
<thomas.jungblut@gmail.com> wrote:
> http://snap.stanford.edu/data/
>
> 2012/7/10 Edward J. Yoon <edwardyoon@apache.org>
>
>> Just wondering, do you know more large and downloadable data set?
>>
>> On Tue, Jul 10, 2012 at 8:01 PM, Edward J. Yoon <edwardyoon@apache.org>
>> wrote:
>> > Oh... thanks. now I can guess what it is.
>> >
>> > On Tue, Jul 10, 2012 at 7:57 PM, Thomas Jungblut
>> > <thomas.jungblut@gmail.com> wrote:
>> >> Yes, the example graph is not complete thus resulting in NPEs.
>> >>
>> >> 2012/7/10 Edward J. Yoon <edwardyoon@apache.org>
>> >>
>> >>> Nope, should I set to true?
>> >>>
>> >>> On Tue, Jul 10, 2012 at 7:52 PM, Thomas Jungblut
>> >>> <thomas.jungblut@gmail.com> wrote:
>> >>> > Set "hama.graph.repair" to true in conf?
>> >>> >
>> >>> > 2012/7/10 Edward J. Yoon <edwardyoon@apache.org>
>> >>> >
>> >>> >> I installed Hama 0.5 on 4 racks (4 x 18 nodes) w/ 3 tasks per
each
>> >>> >> node (bsp.child.java.opts = Xmx3512m), tried to run PageRank
on
>> >>> >> Wikipedia dataset introduced at
>> >>> >> http://wiki.apache.org/hama/WriteHamaGraphFile
>> >>> >>
>> >>> >> Doesn't work, the cause of job fail error is different every
time.
>> >>> >> NullPointerException at loadVertices(), ERROR bsp.BSPTask:
Started
>> >>> >> pinging to groom, ..., etc.
>> >>> >>
>> >>> >> Has anyone tried this?
>> >>> >>
>> >>> >> --
>> >>> >> Best Regards, Edward J. Yoon
>> >>> >> @eddieyoon
>> >>> >>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Best Regards, Edward J. Yoon
>> >>> @eddieyoon
>> >>>
>> >
>> >
>> >
>> > --
>> > Best Regards, Edward J. Yoon
>> > @eddieyoon
>>
>>
>>
>> --
>> Best Regards, Edward J. Yoon
>> @eddieyoon
>>



-- 
Best Regards, Edward J. Yoon
@eddieyoon

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