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From Thomas Jungblut <thomas.jungb...@googlemail.com>
Subject Re: Hang problem
Date Fri, 23 Sep 2011 14:01:38 GMT
I have made a github for that:
https://github.com/thomasjungblut/barriersync

Check it out into your eclipse (the root directory failed for whatever
reason).
Start the server and then the clientemulator.
Works like a real charm.

Please consider this as an alternative. We should not roll out a 4.0 release
with a not working barrier sync.

2011/9/23 Thomas Jungblut <thomas.jungblut@googlemail.com>

> Won't much different.
>>
>
> Let's see.
>
> 2011/9/23 Edward J. Yoon <edwardyoon@apache.org>
>
>> What happens if some task no longer need to communicate with others?
>>
>> I didn't look at the code recently but I guess that the problem is
>> related with comparison of znode size and task size.
>>
>> > I am going to write a RPC barrier sync. Zookeeper sucks in this case.
>>
>> Won't much different. Let's focusing on NG integration and In/Output
>> system.
>>
>> On Fri, Sep 23, 2011 at 8:21 PM, Thomas Jungblut
>> <thomas.jungblut@googlemail.com> wrote:
>> > I am going to write a RPC barrier sync. Zookeeper sucks in this case.
>> >
>> > 2011/9/23 Edward J. Yoon <edwardyoon@apache.org>
>> >
>> >> P.S., Tested on 16 nodes using 10 tasks per node.
>> >>
>> >> On Fri, Sep 23, 2011 at 7:19 PM, Edward J. Yoon <edwardyoon@apache.org
>> >
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > Today I ran the sssp example with 4GB sample file.
>> >> >
>> >> > At 32th step, some tasks are finished and others hang forever.
>> >> >
>> >> > Could anyone figure out this problem?
>> >> >
>> >> > Plus, there're too many INFO-level logs. Let's reduce them.
>> >> >
>> >> > Thanks.
>> >> >
>> >> > --
>> >> > Best Regards, Edward J. Yoon
>> >> > @eddieyoon
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Best Regards, Edward J. Yoon
>> >> @eddieyoon
>> >>
>> >
>> >
>> >
>> > --
>> > Thomas Jungblut
>> > Berlin
>> >
>> > mobile: 0170-3081070
>> >
>> > business: thomas.jungblut@testberichte.de
>> > private: thomas.jungblut@gmail.com
>> >
>>
>>
>>
>> --
>> Best Regards, Edward J. Yoon
>> @eddieyoon
>>
>
>
>
> --
> Thomas Jungblut
> Berlin
>
> mobile: 0170-3081070
>
> business: thomas.jungblut@testberichte.de
> private: thomas.jungblut@gmail.com
>



-- 
Thomas Jungblut
Berlin

mobile: 0170-3081070

business: thomas.jungblut@testberichte.de
private: thomas.jungblut@gmail.com

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