| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | Shaun Thomas <bonesmoses(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, postgres performance list <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Having some problems with concurrent COPY commands |
| Date: | 2015-10-13 21:44:28 |
| Message-ID: | CAKJS1f8hD3Yb=5NGd=u0PkSqBanNdYKw_WJPPdF=PCLNfuLyiA@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On 14 October 2015 at 08:33, Shaun Thomas <bonesmoses(at)gmail(dot)com> wrote:
> On Tue, Oct 13, 2015 at 7:23 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> > and send the results.
>
> Whelp, I'm an idiot. I can't account for how I did it, but I can only
> assume I didn't export my ports in the tests properly. I ran
> everything again and there's a marked difference between 9.3 and 9.4.
> The parallel copy times still inflate, but only from 1.4s to 2.5s at 4
> procs. Though it gets a bit dicey after that.
>
>
>
Do the times still inflate in the same way if you perform the COPY before
adding the indexes to the table?
--
David Rowley http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Training & Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jonathan Rogers | 2015-10-14 07:38:55 | SELECT slows down on sixth execution |
| Previous Message | Shaun Thomas | 2015-10-13 19:33:11 | Re: Having some problems with concurrent COPY commands |