| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Increasing parallel workers at runtime |
| Date: | 2017-05-17 09:27:13 |
| Message-ID: | CAA4eK1L2DU_H0znUwhtkPGUMkeiG4_X7BpVgJbimsApo6hY+ow@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Tue, May 16, 2017 at 2:14 PM, Ashutosh Bapat
<ashutosh(dot)bapat(at)enterprisedb(dot)com> wrote:
> On Mon, May 15, 2017 at 9:23 PM, Robert Haas <robertmhaas(at)gmail(dot)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
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jeevan Ladhe | 2017-05-17 09:29:31 | Re: Adding support for Default partition in partitioning |
| Previous Message | Amit Kapila | 2017-05-17 09:25:47 | Re: Increasing parallel workers at runtime |