| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com> |
| Subject: | Re: [HACKERS] Parallel tuplesort (for parallel B-Tree index creation) |
| Date: | 2018-01-20 05:13:13 |
| Message-ID: | CAA4eK1K4vWz4egWe+mA9jNm1p_qK_na++WJXE2-x_8Y6SZX0zA@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Sat, Jan 20, 2018 at 10:20 AM, Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> On Fri, Jan 19, 2018 at 8:44 PM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>> Right, but I think using parallel_leader_participation, you can do it
>> reliably and probably write some regression tests which can complete
>> in a predictable time.
>
> Do what reliably? Guarantee that the leader will not participate as a
> worker, but that workers will be used? If so, yes, you can get that.
>
Yes, that's what I mean.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2018-01-20 05:20:44 | Re: [HACKERS] postgres_fdw bug in 9.6 |
| Previous Message | John Naylor | 2018-01-20 05:00:15 | Re: MCV lists for highly skewed distributions |