> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Tom Lane
> Sent: 17 February 2005 15:46
> To: Mark Cave-Ayland
> Cc: pgsql-patches@postgresql.org
> Subject: Re: [PATCHES] WIP: bufmgr rewrite per recent discussions
(cut)
&
"Mark Cave-Ayland" <[EMAIL PROTECTED]> writes:
> As I see it, there is not much noticeable performance gain (and maybe even a
> small loss)with the padding included.
Looks that way. Of course we should never trust a single test case very
far, but this suggests that there's not a whole lot of gold
Hi Tom,
Here are the results (tps) from your second patch (LH column is including
connection establishments, RH column is excluding connection establishments)
using the same test, i.e. pgbench -s 10 -c 10 -t 1000 -d pgbench
Shared_buffers
1000
"Mark Cave-Ayland" <[EMAIL PROTECTED]> writes:
> OK I'm just about finished for the day now. If you email the details of
> exactly which tests/parameters you would like me to run, I'll try and run
> them tomorrow morning when I have a few spare minutes.
I've posted another version of the buffer re
Tom Lane wrote:
I don't feel this is quite ready to commit, but here it is if anyone
would like to try some performance testing. Using "pgbench -s 10"
on a single-CPU machine, I find this code a little slower than CVS tip
at shared_buffers = 1000, but noticeably faster (~10% speedup) at
1 buff
> -Original Message-
> From: Tom Lane [mailto:[EMAIL PROTECTED]
> Sent: 16 February 2005 17:28
> To: Mark Cave-Ayland
> Cc: pgsql-patches@postgresql.org
> Subject: Re: [PATCHES] WIP: bufmgr rewrite per recent discussions
(cut)
> What do you mean by "pause&
"Mark Cave-Ayland" <[EMAIL PROTECTED]> writes:
> Reducing bgwriter_maxpages definitely seems to have helped with the larger
> values for shared_buffers. However, during the test I was still seeing large
> pauses that occurred at a rate that seemed inversely proportional to the
> number of shared bu
Hi Tom,
> -Original Message-
> From: Tom Lane [mailto:[EMAIL PROTECTED]
> Sent: 16 February 2005 15:01
> To: Mark Cave-Ayland
> Cc: pgsql-patches@postgresql.org
> Subject: Re: [PATCHES] WIP: bufmgr rewrite per recent discussions
>
>
> "Mark Cave-Ay
"Mark Cave-Ayland" <[EMAIL PROTECTED]> writes:
> I compiled and tested your patch on a dual Opteron server with 12GB RAM
> running FC3. Here are the results I get with pgbench with a scale-factor of
> 10 over an average of 6 runs.
Thanks for posting these results. What -c and -t settings were you
Hi Tom,
I compiled and tested your patch on a dual Opteron server with 12GB RAM
running FC3. Here are the results I get with pgbench with a scale-factor of
10 over an average of 6 runs. All other postgresql.conf options were left at
their default values.
CVS tip results
---
Shared b
10 matches
Mail list logo
