| From: | Vitaly V(dot) Voronov <wizard_1024(at)tut(dot)by> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: BUG #15144: *** glibc detected *** postgres: postgres smsconsole [local] SELECT: double free or corruption (!pre |
| Date: | 2018-04-16 20:22:31 |
| Message-ID: | 2472021523910151@web55j.yandex.ru |
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| Thread: | |
| Lists: | pgsql-bugs |
Hello, Peter.
> Can you reliably crash the server by running "select count(*) from
pg_buffercache where isdirty" from psql?
No.
I run from psql and get answer:
# select count(*) from
pg_buffercache where isdirty;
count
-------
71
(1 row)
> What work_mem setting does Postgres have when Zabbix runs this query?
work_mem=64MB
16.04.2018, 21:35, "Peter Geoghegan" <pg(at)bowt(dot)ie>:
> On Mon, Apr 16, 2018 at 11:05 AM, Vitaly V. Voronov <wizard_1024(at)tut(dot)by> wrote:
>> Hello, Peter.
>>
>> Pgpool used only from App side at another server.
>>
>> Zabbix running its queries directly at database server.
>
> Can you reliably crash the server by running "select count(*) from
> pg_buffercache where isdirty" from psql?
>
> What work_mem setting does Postgres have when Zabbix runs this query?
>
> --
> Peter Geoghegan
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