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From Huiliang Zhang <zhl...@gmail.com>
Subject Re: Basic storm question
Date Tue, 01 Apr 2014 18:46:33 GMT
Thanks. It should be good if there exist some example figures explaining
the relationship between tasks, workers, and threads.


On Sat, Mar 29, 2014 at 6:34 AM, Susheel Kumar Gadalay
<skgadalay@gmail.com>wrote:

> No, a single worker is dedicated to a single topology no matter how
> many threads it spawns for different bolts/spouts.
> A single worker cannot be shared across multiple topologies.
>
> On 3/29/14, Nathan Leung <ncleung@gmail.com> wrote:
> > From what I have seen, the second topology is run with 1 worker until you
> > kill the first topology or add more worker slots to your cluster.
> >
> >
> > On Sat, Mar 29, 2014 at 2:57 AM, Huiliang Zhang <zhlntu@gmail.com>
> wrote:
> >
> >> Thanks. I am still not clear.
> >>
> >> Do you mean that in a single worker process, there will be multiple
> >> threads and each thread will handle part of a topology? If so, what does
> >> the number of workers mean when submitting topology?
> >>
> >>
> >> On Fri, Mar 28, 2014 at 11:18 PM, padma priya chitturi <
> >> padmapriya30@gmail.com> wrote:
> >>
> >>> Hi,
> >>>
> >>> No, its not the case. No matter how many topologies you submit, the
> >>> workers will be shared among the topologies.
> >>>
> >>> Thanks,
> >>> Padma Ch
> >>>
> >>>
> >>> On Sat, Mar 29, 2014 at 5:11 AM, Huiliang Zhang <zhlntu@gmail.com>
> >>> wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> I have a simple question about storm.
> >>>>
> >>>> My cluster has just 1 supervisor and 4 ports are defined to run 4
> >>>> workers. I first submit a topology which needs 3 workers. Then I
> submit
> >>>> another topology which needs 2 workers. Does this mean that the 2nd
> >>>> topology will never be run?
> >>>>
> >>>> Thanks,
> >>>> Huiliang
> >>>>
> >>>
> >>>
> >>
> >
>

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