Skip site navigation (1) Skip section navigation (2)

Re: Selects query stats?

From: Dan Gorman <dgorman(at)hi5(dot)com>
To: mischa(at)ca(dot)sophos(dot)com
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Selects query stats?
Date: 2006-05-23 18:15:10
Message-ID: 82252882-2A15-4823-A517-7AB3161889D1@hi5.com (view raw or flat)
Thread:
Lists: pgsql-performance
What I am looking for is that our DB is doing X selects a min.

Turning on logging isn't an option as it will create too much IO in  
our enviornment.

Regards,
Dan Gorman

On May 23, 2006, at 11:15 AM, Mischa Sandberg wrote:

> Dan Gorman wrote:
>> All,
>> I might be completely crazy here, but it seems every other  
>> database exposes select query stats. Postgres only exposes updates/ 
>> deletes/inserts. Is there something I am missing here?
>
> Perhaps.
>
> You can EXPLAIN ANALYZE a SELECT, just like i/u/d -- but then you
> don't get the normal result set back. Is that what you mean?
>
> You can turn on log_min_duration_statement and get total SELECT  
> duration
> logged.
>
> There's a thread in pgsql-hackers ("Re: Porting MSSQL to PGSQL:  
> trace and profile") about server-side logging of query plans and  
> stats (for all four of s/i/u/d), which is indeed not there in PG.
>
> -- 
> Engineers think that equations approximate reality.
> Physicists think that reality approximates the equations.
> Mathematicians never make the connection.
>
> ---------------------------(end of  
> broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
>               http://www.postgresql.org/docs/faq



In response to

Responses

pgsql-performance by date

Next:From: Mischa SandbergDate: 2006-05-23 18:32:28
Subject: Re: Selects query stats?
Previous:From: Dan GormanDate: 2006-05-23 17:40:01
Subject: Selects query stats?

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group