| From: | Jon Brisbin <jon(dot)brisbin(at)npcinternational(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Performance on SUSE w/ reiserfs |
| Date: | 2005-10-10 22:15:27 |
| Message-ID: | 434AE7FF.4000705@npcinternational.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
Tom Lane wrote:
>
> Are you sure it's not cached data pages, rather than cached inodes?
> If so, the above behavior is *good*.
>
> People often have a mistaken notion that having near-zero free RAM means
> they have a problem. In point of fact, that is the way it is supposed
> to be (at least on Unix-like systems). This is just a reflection of the
> kernel doing what it is supposed to do, which is to use all spare RAM
> for caching recently accessed disk pages. If you're not swapping then
> you do not have a problem.
Except for the fact that my Java App server crashes when all the
available memory is being used by caching and not reclaimed :-)
If it wasn't for the app server going down, I probably wouldn't care.
--
Jon Brisbin
Webmaster
NPC International, Inc.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Josh Berkus | 2005-10-10 22:15:40 | Re: Performance on SUSE w/ reiserfs |
| Previous Message | Jon Brisbin | 2005-10-10 22:13:53 | Re: Performance on SUSE w/ reiserfs |