| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Greg Smith <greg(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: buffer assertion tripping under repeat pgbench load |
| Date: | 2012-12-23 22:01:48 |
| Message-ID: | CA+U5nM+HwqPNp4KFBZOS=1-E2N=P19c3y8w+yThvKZGUUqhFRw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 23 December 2012 21:52, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> On 12/23/12 3:17 PM, Simon Riggs wrote:
>>
>> If that last change was the cause, then its caused within VACUUM. I'm
>> running a thrash test with autovacuums set much more frequently but
>> nothing yet.
>
>
> I am not very suspicious of that VACUUM change; just pointed it out for
> completeness sake.
Nothing seen here either after 100 minutes of thrash with ~1 VACUUM
per sec, at SF1
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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