| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Melvin Davidson <melvin6925(at)gmail(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Michael H <michael(at)wemoto(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: CentOS - PostgreSQL 9.2.13 -> 9.4 |
| Date: | 2015-08-18 17:32:57 |
| Message-ID: | 55D36C49.7010000@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On 08/18/2015 09:41 AM, Alvaro Herrera wrote:
>
> Alvaro Herrera wrote:
>
>> One thing to look at is the rate of WAL generation for a set number of
>> transactions. Maybe the later releases are generating more WAL due to
>> multixacts, for instance (prior to 9.3 these weren't wal-logged.)
>
> Also try 9.5alpha2, wherein bug #8470 is fixed, which is a big
> performance regression in 9.3 and 9.4.
Is there a reason we didn't backport this? (A point to a thread is just
fine).
jD
--
Command Prompt, Inc. - http://www.commandprompt.com/ 503-667-4564
PostgreSQL Centered full stack support, consulting and development.
Announcing "I'm offended" is basically telling the world you can't
control your own emotions, so everyone else should do it for you.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alvaro Herrera | 2015-08-18 18:00:11 | Re: CentOS - PostgreSQL 9.2.13 -> 9.4 |
| Previous Message | Alvaro Herrera | 2015-08-18 16:41:35 | Re: CentOS - PostgreSQL 9.2.13 -> 9.4 |