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From Jyoti Yadav <rao.jyoti26ya...@gmail.com>
Subject Re: About Aggregators working
Date Tue, 29 Oct 2013 03:52:34 GMT
Thanks Ameya for your reply..


On Tue, Oct 29, 2013 at 12:21 AM, Ameya Vilankar
<ameya.vilankar@gmail.com>wrote:

> Hi,
> The problem with the above scenario since all vertices will call vote to
> halt, there will be no active vertices left for the next superstep since
> none of the vertices receive a message. So, the program will terminate on
> zeroth superstep itself. If you want access to the output of the aggregator
> you can
> 1. Not call voteToHalt in the superstep 0 but call it in superstep 1 where
> you get the aggregated value before calling it.
> 2. Use an aggregator writer class the saves the aggregated output to file.
> I don't know if Aggregator writer is present in the release branch of
> giraph. But, it is surely present in its trunk branch which I suggest you
> work off.
> Thanks
>
>
> On Mon, Oct 28, 2013 at 9:20 AM, Jyoti Yadav <rao.jyoti26yadav@gmail.com>wrote:
>
>> Please help..
>>
>> Jyoti
>>
>>
>> On Sun, Oct 27, 2013 at 9:14 PM, Jyoti Yadav <rao.jyoti26yadav@gmail.com>wrote:
>>
>>> Anyone please reply..
>>>
>>>
>>>
>>> On Sat, Oct 26, 2013 at 6:05 PM, Jyoti Yadav <rao.jyoti26yadav@gmail.com
>>> > wrote:
>>>
>>>> Hi..
>>>> I have one query in my mind..I don't know whether it is a silly
>>>> question or not?
>>>> But the question is
>>>>
>>>> Suppose the scenario mentioned below..
>>>>
>>>> At Superstep 0
>>>>     1.All vertices are active.
>>>>      2. All vertices write some vaue to the SumAggregator.
>>>>      3.  All vertices vote for halt..
>>>> The question is that Will the  vertices be able to get the value of
>>>> SumAggregator in
>>>> next superstep? Becoz in superstep 0 no explicit msg is being passed to
>>>> the neighbours.. And  at the end all vertices are voting for halt..
>>>>
>>>>
>>>> Any suggestions are really appreciated..
>>>>
>>>> Regards
>>>> Jyoti
>>>>
>>>>
>>>
>>
>

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