Re: upgrade from 9.2.x to 9.3 causes significant performance degradation

On Tue, Sep 17, 2013 at 3:47 PM, Andres Freund <andres@2ndquadrant.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.