From: | Andres Freund <andres(at)anarazel(dot)de> |
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To: | Антон Бушмелев <bushmelev(dot)aa(at)gmail(dot)com> |
Cc: | Vladimir Borodin <root(at)simply(dot)name>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: 9.4 -> 9.5 regression with queries through pgbouncer on RHEL 6 |
Date: | 2016-06-09 22:28:56 |
Message-ID: | 20160609222855.irpszcpo6qn4skq2@alap3.anarazel.de |
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Lists: | pgsql-hackers pgsql-performance |
Hi,
On 2016-06-02 14:18:26 +0300, Антон Бушмелев wrote:
> UP. repeat tests on local vm.. reults are discouraging
> OS PG TPS AVG latency
> Centos 7 9.5.3 23.711023 168.421
> Centos 7 9.5.3 26.609271 150.188
> Centos 7 9.5.3 25.220044 158.416
> Centos 7 9.5.3 25.598977 156.047
> Centos 7 9.4.8 278.572191 14.077
> Centos 7 9.4.8 247.237755 16.177
> Centos 7 9.4.8 240.007524 16.276
> Centos 7 9.4.8 237.862238 16.596
Could you provide profiles on 9.4 and 9.5? Which kernel did you have
enabled? Is /proc/sys/kernel/sched_autogroup_enabled 1 or 0?
Regards,
Andres
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