From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
---|---|
To: | bricklen <bricklen(at)gmail(dot)com> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: auto_explain causes cluster crash if pg_ctl reload is used (not pg_ctl restart) |
Date: | 2011-10-25 16:22:15 |
Message-ID: | 4EA6E237.5000802@enterprisedb.com |
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Lists: | pgsql-bugs |
On 25.10.2011 18:42, bricklen wrote:
> Tried on both
> PostgreSQL 9.0.4 on x86_64-unknown-linux-gnu, compiled by GCC gcc
> (GCC) 4.1.2 20080704 (Red Hat 4.1.2-48), 64-bit
> and
> PostgreSQL 9.0.3 on x86_64-unknown-linux-gnu, compiled by GCC gcc
> (GCC) 4.1.2 20080704 (Red Hat 4.1.2-48), 64-bit
>
> shared_preload_libraries = 'pg_stat_statements,auto_explain'
> custom_variable_classes = 'auto_explain'
> auto_explain.log_min_duration = '10s'
> auto_explain.log_analyze = true
> auto_explain.log_buffers = true
>
> I was testing to see if any of the settings above got applied after
> issuing a "pg_ctl reload" rather than a restart, and I was surprised
> to see that I could crash my db cluster. I realize that the docs say
> to issue a restart, but the crash seems a tad user-unfriendly.
>
> Any other details I should provide?
A backtrace from the core dump would be help a lot. Can you get one?
More precise instructions on how to reproduce this would also be nice.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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