Re: [HACKERS] Increasing parallel workers at runtime - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: [HACKERS] Increasing parallel workers at runtime
Date
Msg-id CAA4eK1L2DU_H0znUwhtkPGUMkeiG4_X7BpVgJbimsApo6hY+ow@mail.gmail.com
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In response to Re: [HACKERS] Increasing parallel workers at runtime  (Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>)
Responses Re: [HACKERS] Increasing parallel workers at runtime  (Rafia Sabih <rafia.sabih@enterprisedb.com>)
List pgsql-hackers
On Tue, May 16, 2017 at 2:14 PM, Ashutosh Bapat
<ashutosh.bapat@enterprisedb.com> wrote:
> On Mon, May 15, 2017 at 9:23 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>
> Also, looking at the patch, it doesn't look like it take enough care
> to build execution state of new worker so that it can participate in a
> running query. I may be wrong, but the execution state initialization
> routines are written with the assumption that all the workers start
> simultaneously?
>

No such assumptions, workers started later can also join the execution
of the query.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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