| From: | "Simon Riggs" <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | "Jignesh K(dot) Shah" <J(dot)K(dot)Shah(at)Sun(dot)COM> |
| Cc: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Josh Berkus" <josh(at)agliodbs(dot)com>, <pgsql-performance(at)postgresql(dot)org>, "Alvaro Herrera" <alvherre(at)commandprompt(dot)com> |
| Subject: | Re: User concurrency thresholding: where do I look? |
| Date: | 2007-07-26 15:25:31 |
| Message-ID: | 1185463531.4190.72.camel@ebony.site |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Thu, 2007-07-26 at 10:29 -0400, Jignesh K. Shah wrote:
> The count is only for a 10-second snapshot.. Plus remember there are
> about 1000 users running so the connection being profiled only gets
> 0.01 of the period on CPU.. And the count is for that CONNECTION only.
Is that for one process, or all processes aggregated in some way?
> CheckpointStartLock Shared 6
> CheckpointStartLock Exclusive 102
That's definitely whacked. Surely we didn't start 102 checkpoints yet
attempt to commit 6 times?
--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jignesh K. Shah | 2007-07-26 15:27:30 | Re: User concurrency thresholding: where do I look? |
| Previous Message | Yudhvir Singh Sidhu | 2007-07-26 15:06:37 | Re: disk filling up |