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From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: SQL query CPU utilization too low.
Date Sun, 30 Oct 2016 15:22:30 GMT
I already mentioned this in another email, but we should be able to turn
this property on and off on per-query and per-cache levels.

On Sat, Oct 29, 2016 at 11:45 AM, Sergi Vladykin <sergi.vladykin@gmail.com>
wrote:

> Agree, lets implement such a parallelization.
>
> I think we will need an explicit setting for SqlQuery and SqlFieldsQuery,
> the default behavior should not change.
>
> Sergi
>
> 2016-10-28 22:39 GMT+03:00 Andrey Mashenkov <amashenkov@gridgain.com>:
>
> > So, now we have every SQL query run on each node in single thread. This
> can
> > be an issue for heavy queries or queries running on big data sets, e.g.
> > analytical queries.
> >
> > For now, the only way to speed up such queries is to add more nodes to
> grid
> > running on same server. In this case, data will be partitioned over all
> > these nodes and query will be split and run on all nodes.
> >
> > It seems, we can have a benefit if split SQL queries locally as we do it
> > across nodes with TwoStepQuery.
> >
> >
> > Thoughts?
> >
>

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