Re: [HACKERS] walsender & parallelism

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От Petr Jelinek
Тема Re: [HACKERS] walsender & parallelism
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Msg-id a8b44e9f-6631-3f2c-377b-0f5671784baf@2ndquadrant.com
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Ответ на Re: [HACKERS] walsender & parallelism  (Andres Freund <andres@anarazel.de>)
Ответы Re: [HACKERS] walsender & parallelism
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On 24/04/17 02:04, Andres Freund wrote:
> Hi,
> 
> Oh, and one more point: There desperately need to be tests exercising
> "SQL via walsender". Including the issue of parallelism here, the missed
> cancel handler, timeouts, and such.  One way to do so is to use
> pg_regress with an adjusted connection string (specifying
> replication=database), doing the same for isolationtester, or using
> dblink.
> 

Well, there are some tests (the logical replication uses that
functionality) and it's not quite clear to me what all to run there.
I assume you don't want to rerun whole regression suite against
walsender given the time it would take in normal tests (although I could
see doing that optionally somehow) but then what to pick from there.

--  Petr Jelinek                  http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training &
Services



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