| From: | Lonni J Friedman <netllama(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: upgrade from 9.2.x to 9.3 causes significant performance degradation |
| Date: | 2013-09-17 22:49:26 |
| Message-ID: | CAP=oouEX-sVgAoEATZZyQ-rXma=EC2YVNFM=1K95SEjyKfon6A@mail.gmail.com |
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| Lists: | pgsql-general |
On Tue, Sep 17, 2013 at 3:47 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> Hi,
>
> On 2013-09-17 09:19:29 -0700, Lonni J Friedman wrote:
>> I'm running a PostgreSQL 9.3.0 cluster (1 master with two streaming
>> replication hot standby slaves) on RHEL6-x86_64. Yesterday I upgraded
>> from 9.2.4 to 9.3.0, and since the upgrade I'm seeing a significant
>> performance degradation. PostgreSQL simply feels slower. Nothing
>> other than the version of PostgreSQL changed yesterday. I used
>> pg_upgrade to perform the upgrade, and ran the generated
>> analyze_new_cluster.sh immediately afterwards, which completed
>> successfully.
>
> Where did you get 9.3.0 from? Compiled it yourself? Any chance you
> compile with --enable-cassert or somesuch?
Directly from http://yum.postgresql.org. So unless the RPMs on there
are built weird/wrong, I don't think that's the problem.
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