Re: Parallel Seq Scan

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От Michael Paquier
Тема Re: Parallel Seq Scan
Дата
Msg-id CAB7nPqQPU-PxRGqiVafv41yNCTpmtFwkj3T11bkJO52z81G3ng@mail.gmail.com
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Ответ на Re: Parallel Seq Scan  (Amit Kapila <amit.kapila16@gmail.com>)
Ответы Re: Parallel Seq Scan  (Amit Kapila <amit.kapila16@gmail.com>)
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On Sun, Nov 22, 2015 at 3:25 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> On Fri, Nov 20, 2015 at 11:34 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>>
>> On Thu, Nov 19, 2015 at 11:59 PM, Amit Kapila <amit.kapila16@gmail.com>
>> wrote:
>> > Isn't it better to destroy the memory for readers array as that gets
>> > allocated
>> > even if there are no workers available for execution?
>> >
>> > Attached patch fixes the issue by just destroying readers array.
>>
>> Well, then you're making ExecGatherShutdownWorkers() not a no-op any
>> more.  I'll go commit a combination of your two patches.
>>
>
> Thanks!

There is still an entry in the CF app for this thread as "Parallel Seq
scan". The basic infrastructure has been committed, and I understand
that this is a never-ending tasks and that there will be many
optimizations. Still, are you guys fine to switch this entry as
committed for now?
-- 
Michael



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