On Fri, May 18, 2007 at 04:26:05PM -0700, Y Sidhu wrote:
To answer your original question, a way to take a look at how bloated
your tables are would be to ANALYZE, divide reltuples by relpages from
pg_class (gives how many rows per page you have) and compare that to 8k
/ average row size. The
Thanks again! I'll make the change and get those numbers.
Yudhvir
On 5/21/07, Jim C. Nasby [EMAIL PROTECTED] wrote:
On Fri, May 18, 2007 at 04:26:05PM -0700, Y Sidhu wrote:
To answer your original question, a way to take a look at how bloated
your tables are would be to ANALYZE, divide
On Mon, May 14, 2007 at 08:20:49PM -0400, Tom Lane wrote:
Y Sidhu [EMAIL PROTECTED] writes:
it may be table fragmentation. What kind of tables? We have 2 of them which
experience lots of adds and deletes only. No updates. So a typical day
experiences record adds a few dozen times on the
I am trying to use them. I have set these values in my conf file:
stats_start_collector TRUE stats_reset_on_server_start FALSE
stats_command_string TRUE
now what?
Yudhvir
==
On 5/13/07, Shoaib Mir [EMAIL PROTECTED] wrote:
Can you be a little more specific? What exactly are you
Have you either re-loaded the config or restarted the server since
making those changes?
On Mon, May 14, 2007 at 09:16:54AM -0700, Y Sidhu wrote:
I am trying to use them. I have set these values in my conf file:
stats_start_collector TRUE stats_reset_on_server_start FALSE
Please include the list in your replies...
Ok, so you've got stats collection turned on. What's the question then?
And are stats_block_level and stats_row_level also enabled?
On Mon, May 14, 2007 at 09:28:46AM -0700, Y Sidhu wrote:
yes
Yudhvir
===
On 5/14/07, Jim C. Nasby [EMAIL
The stats_block_level and stats_row_level are NOT enabled. The question is
how to use pg_stats. Do I access/see them via the ANALYZE command? or using
SQL. I cannot find any document which will get me started on this.
Yudhvir
--
On 5/14/07, Jim C. Nasby [EMAIL PROTECTED] wrote:
On Mon, May 14, 2007 at 11:09:21AM -0700, Y Sidhu wrote:
The stats_block_level and stats_row_level are NOT enabled. The question is
how to use pg_stats. Do I access/see them via the ANALYZE command? or using
SQL. I cannot find any document which will get me started on this.
Ok, we're both
I am sorry about this Jim, please understand that I am a newbie and am
trying to solve long vacuum time problems and get a handle on speeding up
queries/reports. I was pointed to pg_stats and that's where I am at now. I
have added this into my conf file:
stats_start_collector TRUE
My immediate problem is to decrease vacuum times.
Yudhvir
===
On 5/14/07, Jim C. Nasby [EMAIL PROTECTED] wrote:
On Mon, May 14, 2007 at 12:02:03PM -0700, Y Sidhu wrote:
I am sorry about this Jim, please understand that I am a newbie and am
trying to solve long vacuum time problems and
In response to Y Sidhu [EMAIL PROTECTED]:
My immediate problem is to decrease vacuum times.
Don't take this as being critical, I'm just trying to point out a slight
difference between what you're doing and what you think you're doing:
Your problem is not decreasing vacuum times. You _think_
Bill,
I suspect it is fragmentation of some sort. Vacuum times sometimes shoot up,
it may be table fragmentation. What kind of tables? We have 2 of them which
experience lots of adds and deletes only. No updates. So a typical day
experiences record adds a few dozen times on the order of 2.5
Y Sidhu [EMAIL PROTECTED] writes:
it may be table fragmentation. What kind of tables? We have 2 of them which
experience lots of adds and deletes only. No updates. So a typical day
experiences record adds a few dozen times on the order of 2.5 million. And
deletes once daily. Each of these
Anyone know of a pg_stats howto? I'd appreciate any direction.
Yudhvir
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Anyone know of a pg_stats howto? I'd appreciate any direction.
Let me know if you find one! :)
It isn't a HOWTO, but I have collected some notes regarding the
performance views in a document -
http://docs.opengroupware.org/Members/whitemice/wmogag/file_view
- see the chapter on PostgreSQL.
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