| From: | "Mkrtchyan, Tigran" <tigran(dot)mkrtchyan(at)desy(dot)de> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, pgsql-performance <pgsql-performance(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: 9.5alpha1 vs 9.4 |
| Date: | 2015-07-06 21:14:31 |
| Message-ID: | bd8af33c-6683-433a-9526-dcd8e618ec32@email.android.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Jul 6, 2015 18:45, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
>
> On 07/05/2015 10:16 AM, Mkrtchyan, Tigran wrote:
> > Thanks for the hin. My bad. The backup db and 9.5 had a different type on
> > one of the foreign-key constrains char(36) vs varchar(36).
> >
> > The schema was screwed couple of days ago, byt performance numbers I checked only
> > after migration to 9.5.
>
> Thank you for testing!
>
> Can you re-run your tests with the fixed schema? How does it look?
With fixed schema performance equal to 9.4. I have updated my code to use ON CONFLICT statement. ~5% better compared with INSERT WHERE NOT EXIST. Really cool! Thanks.
Tigran.
>
> --
> Josh Berkus
> PostgreSQL Experts Inc.
> http://pgexperts.com
>
>
> --
> Sent via pgsql-performance mailing list (pgsql-performance(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-performance
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Graeme B. Bell | 2015-07-07 10:22:00 | Re: New server: SSD/RAID recommendations? |
| Previous Message | Joshua D. Drake | 2015-07-06 17:20:29 | Re: New server: SSD/RAID recommendations? |