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From Ilya Kasnacheev <ilya.kasnach...@gmail.com>
Subject Re: How to reduce Scan Query execution time?
Date Thu, 23 Aug 2018 13:20:19 GMT
Hello!

Can you check if there's any difference with
https://github.com/apache/ignite/pull/4592 ?

Regards,

-- 
Ilya Kasnacheev

2018-08-23 16:05 GMT+03:00 dmitrievanthony <dmitrievanthony@gmail.com>:

> Hi,
>
> I have a cache with 5000 objects, 400Kb each and I need to download all
> these objects using Binary Client Protocol. To do than I use Scan Query
> (and
> Load Next Page to load page 2, 3, etc...) request without any filter.
>
> I measure the time between two moments: when request has been sent and when
> the result is ready (not when page has been downloaded, only is ready to be
> downloaded).
>
> If the page size is 1000 (~400Mb per page) the measured time is 1000ms.
> If the page size if 100 (~40Mb per page) the measured time is 100ms.
>
> As result I conclude that Ignite spends ~2.5ms per every megabyte on
> preparing response and I correspondingly spend this time on waiting. This
> leads to the fact that I can't get throughput more than 200Mb/s using
> network 10Gbit/s. It's very confusing.
>
> So, the question. How to reduce Scan Query execution time in such
> configuration?
>
>
>
> --
> Sent from: http://apache-ignite-developers.2346864.n4.nabble.com/
>

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