Re: SSI slows down over time

From: Kevin Grittner <kgrittn(at)ymail(dot)com>
To: pgsql-performance(at)postgresql(dot)org, Ryan Johnson <ryan(dot)johnson(at)cs(dot)utoronto(dot)ca>
Subject: Re: SSI slows down over time
Date: 2014-04-14 14:14:24
Message-ID: 1397484864.73109.YahooMailBasic@web122302.mail.ne1.yahoo.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Ryan Johnson <ryan(dot)johnson(at)cs(dot)utoronto(dot)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

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Ryan Johnson 2014-04-14 14:22:42 Re: SSI slows down over time
Previous Message Murphy, Kevin 2014-04-14 13:55:59 Re: Ye olde slow query