Re: SSI slows down over time

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От Kevin Grittner
Тема Re: SSI slows down over time
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Msg-id 1397484864.73109.YahooMailBasic@web122302.mail.ne1.yahoo.com
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Ответ на SSI slows down over time  (Ryan Johnson <ryan.johnson@cs.utoronto.ca>)
Ответы Re: SSI slows down over time  (Ryan Johnson <ryan.johnson@cs.utoronto.ca>)
Re: SSI slows down over time  (Ryan Johnson <ryan.johnson@cs.utoronto.ca>)
Список pgsql-performance
Ryan Johnson <ryan.johnson@cs.utoronto.ca> wrote:

> every time I shut down a database and bring it back up, SSI seems
> to go slower.

There's one thing to rule out up front -- that would be a
long-lived prepared transaction.

Please post the output of these queries:

select version();
show max_prepared_transactions;
select * from pg_prepared_xacts;

Thanks.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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