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From Ufuk Celebi <...@apache.org>
Subject Re: Using numberOfTaskSlots to control parallelism
Date Sat, 20 Feb 2016 13:25:54 GMT
On Sat, Feb 20, 2016 at 10:12 AM, Aljoscha Krettek <aljoscha@apache.org> wrote:
> IMHO the only change for 2) is that you possibly get better machine utilization because
it will use more parallel threads.  So I think it’s a valid approach.
>
> @Ufuk, could there be problems with the number of network buffers? I think not, because
the connections are multiplexed in one channel, is this correct?

I would not expect it to become a problem. If it does, it's easy to
resolve by throwing a little more memory at the problem. [1]

– Ufuk

[1] https://ci.apache.org/projects/flink/flink-docs-master/setup/config.html#configuring-the-network-buffers

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