-Original Message-
From: Tomas Vondra [mailto:t...@fuzzy.cz]
Sent: Friday, June 20, 2014 8:14 PM
To: Pavel Stehule
Cc: Huang, Suya; pgsql-performance@postgresql.org
Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
On 20 Červen 2014, 5:33, Pavel Stehule wrote:
> 2014
On 20 Červen 2014, 5:33, Pavel Stehule wrote:
> 2014-06-20 1:44 GMT+02:00 Huang, Suya :
>>
>> Thanks Pavel, to be more clear, what does " pg_stat_reset "really reset?
>> In the document it says " Reset all statistics counters for the current
>> database to zero(requires superuser privileges) ". I
2014-06-20 1:44 GMT+02:00 Huang, Suya :
>
>
> From: Pavel Stehule [mailto:pavel.steh...@gmail.com]
> Sent: Thursday, June 19, 2014 3:41 PM
> To: Huang, Suya
> Cc: pgsql-performance@postgresql.org
> Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
>
>
&g
From: Pavel Stehule [mailto:pavel.steh...@gmail.com]
Sent: Thursday, June 19, 2014 3:41 PM
To: Huang, Suya
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
2014-06-19 7:35 GMT+02:00 Huang, Suya :
From: Pavel Stehule [mailto:pavel.steh
On 19 Červen 2014, 7:35, Huang, Suya wrote:
> From: Pavel Stehule [mailto:pavel.steh...@gmail.com]
> Sent: Thursday, June 19, 2014 3:28 PM
> To: Huang, Suya
> Cc: pgsql-performance@postgresql.org
> Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
>
> Hello
>
2014-06-19 7:35 GMT+02:00 Huang, Suya :
> From: Pavel Stehule [mailto:pavel.steh...@gmail.com]
> Sent: Thursday, June 19, 2014 3:28 PM
> To: Huang, Suya
> Cc: pgsql-performance@postgresql.org
> Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
>
> Hello
>
&
From: Pavel Stehule [mailto:pavel.steh...@gmail.com]
Sent: Thursday, June 19, 2014 3:28 PM
To: Huang, Suya
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] huge pgstat.stat file on PostgreSQL 8.3.24
Hello
The size of statfile is related to size of database objects in database
Hello
The size of statfile is related to size of database objects in database.
Depends on PostgreSQL version this file can be one per database cluster or
one per database (from 9.3),
These statistics should by reset by call pg_stat_reset()
http://www.postgresql.org/docs/9.2/static/monitoring-sta
Hi group,
We've found huge pgstat.stat file on our production DB boxes, the size is over
100MB. autovacuum is enabled. So my question would be:
1. What's a reasonable size of pgstat.stat file, can it be estimated?
2. What's the safest way to reduce the file size to alleviate the IO