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Re: use of pg_stat_database

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: use of pg_stat_database
Date: 2009-06-30 11:34:58
Message-ID: 20090630113458.GG19653@a-kretschmer.de (view raw or flat)
Thread:
Lists: pgsql-hackers
In response to abdelhak benmohamed :
> Hellow,
> 
>  
> 
> I like to track the number of committed transaction for my database
> 
> So I use the following command
> 
> Select * from pg_stat_database;
> 
>  
> 
> The column xact_commit gives me the number of transaction committed
> 
>  
> 
> But if I execute the same command another time, the column xact_commit gives me
> an other number.

I can't reproduce that:

test=*# Select sum(xact_commit) from pg_stat_database;
  sum
-------
 73470
(1 row)

-- 5 minutes later:

test=*# Select sum(xact_commit) from pg_stat_database;
  sum
-------
 73470
(1 row)


> 
>  
> 
> Between the first select and the second select I don?t execute any transaction
> on my database

Autovacuum?


Andreas
-- 
Andreas Kretschmer
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