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From Nathan Leung <ncle...@gmail.com>
Subject Re: localOrShuffleGrouping load balanced tuple distribution
Date Mon, 15 Feb 2016 13:56:21 GMT
It will use the local bolts.

On Mon, Feb 15, 2016 at 8:32 AM, Spico Florin <spicoflorin@gmail.com> wrote:

>
> Hello!
>    Suppose that I have the following scenario
> 1. One spout
> 2. One bolt with hintParallelism set to 4
> 3. Bolt connected with the spout with localOrShuffleGrouping
> 4. 2 slots available
> 5. We use the the default schedulder (round-robin)
>
> Give the above scenario, the distribution over the workers will be:
> worker 1: spout, bolt, bolt
> worker 2: bolt, bolt
>
> Here are my questions:
> 1. Will the spout uses the 4 bolts?
> 2. Will the data distributed evenly between these bolts?
> 3. Due to localorShuffleGrouping method, only the local bolts will be used
> (the ones from the worker 1) or all the workers?
>
> I look forward for your answers.
> Thank you.
>  Florin
>
>
>
>
>

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