Re: [HACKERS] walsender & parallelism

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От Peter Eisentraut
Тема Re: [HACKERS] walsender & parallelism
Дата
Msg-id b0cae230-066c-d5ee-b2d7-29ba44c142bb@2ndquadrant.com
обсуждение исходный текст
Ответ на Re: [HACKERS] walsender & parallelism  (Petr Jelinek <petr.jelinek@2ndquadrant.com>)
Ответы Re: [HACKERS] walsender & parallelism  (Craig Ringer <craig@2ndquadrant.com>)
Re: [HACKERS] walsender & parallelism  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On 5/23/17 13:57, Petr Jelinek wrote:
> On 23/05/17 19:45, Andres Freund wrote:
>>
>>
>> On May 23, 2017 1:42:41 PM EDT, Petr Jelinek <petr.jelinek@2ndquadrant.com> wrote:
>>> Hi,
>>>
>>> so this didn't really move anywhere AFAICS, do we think the approach
>>> I've chosen is good or do we want to do something else here?
>>
>> Can you add it to the open items list?
>>
> 
> Done

I think the easiest and safest thing to do now is to just prevent
parallel plans in the walsender.  See attached patch.  This prevents the
hang in the select_parallel tests run under your new test setup.

Unifying the signal handling and query processing further seems like a
good idea, but the patches are pretty involved, so I suggest to put them
into the next commit fest.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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