Re: pgsql: Add parallel-aware hash joins.

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От Alvaro Herrera
Тема Re: pgsql: Add parallel-aware hash joins.
Дата
Msg-id 20180124201826.g6vhuewpnycpt3ta@alvherre.pgsql
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Ответ на Re: pgsql: Add parallel-aware hash joins.  (Andres Freund <andres@anarazel.de>)
Ответы Re: pgsql: Add parallel-aware hash joins.
Re: pgsql: Add parallel-aware hash joins.
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Andres Freund wrote:

> Besides larger groups, starting the next test(s) earlier, another way to
> gain pretty large improvements would be a test schedule feature that
> allowed to stat dependencies between tests. So instead of manually
> grouping the schedule, have 'numerology' state that it depends on int2,
> int4, int8, float4, float8, which means it can actually be started
> earlier than it currently can in many cases.

Yeah, I proposed this a decade ago but never had the wits to write the
code.

It would be very useful for running tests standalone, too -- much as I
dislike 'make installcheck' taking half a minute, I dislike much more
having to take 5 minutes each time to figure out that create_table
depends on box, polygon, create_function, yadda yadda.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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