I upgraded to 3.8.8 and all seems to be fine now. :-) I think that there were/are some user searches that were being used that were causing the overload.
----- Original Message ----- From: "Kenneth Marshall" <[email protected]> To: "Eriks Goodwin-Pfister" <[email protected]> Cc: "rt-users" <[email protected]> Sent: Tuesday, June 1, 2010 11:12:36 AM Subject: Re: [rt-users] CPU Wait Maxed Out In versions prior to RT 3.8.8, certain searchs will result in the use of a large amount of memory in the webserver process. You can use a "graceful" restart of the apache server to reduce the size of the process. Maybe an hourly cron job would do the trick? Regards, Ken On Tue, Jun 01, 2010 at 10:57:41AM -0400, Eriks Goodwin-Pfister wrote: > I deleted the mailq, redirected the address for the odd mailq entries > to an alternate mailbox, etc. > > As for memory, I see from sorting "top" by memory usage that apache is > the memory hog... Any idea what would cause this on an RT box? > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 2665 apache 15 0 207m 81m 3692 S 0.0 8.6 1:29.41 httpd > 2387 apache 15 0 206m 78m 3692 S 0.0 8.3 1:44.80 httpd > 2668 apache 17 0 206m 75m 3896 S 0.0 8.0 1:32.49 httpd > 2496 apache 15 0 205m 70m 3880 S 0.0 7.5 1:12.07 httpd > 2669 apache 15 0 204m 67m 3892 S 0.0 7.1 1:10.97 httpd > 2391 apache 15 0 206m 65m 3636 S 0.0 6.9 1:07.24 httpd > 2385 apache 15 0 210m 62m 3308 S 0.0 6.6 1:29.17 httpd > 2401 apache 17 0 208m 57m 3644 S 0.0 6.1 1:18.16 httpd > 2388 apache 15 0 204m 56m 3568 S 0.0 6.0 1:01.46 httpd > 2389 apache 15 0 207m 56m 3824 S 0.0 5.9 1:10.61 httpd > 2390 apache 15 0 208m 54m 3592 S 0.0 5.8 1:33.90 httpd > 2493 apache 17 0 203m 50m 3844 S 0.0 5.4 1:02.30 httpd > 2392 apache 15 0 207m 50m 3232 S 0.0 5.3 1:10.83 httpd > 2386 apache 15 0 207m 47m 3592 S 0.0 5.0 1:24.97 httpd > 2494 apache 15 0 205m 46m 3648 S 0.0 4.9 1:10.75 httpd > 2492 apache 15 0 204m 43m 3812 S 0.0 4.6 1:11.58 httpd > 2275 root 15 0 115m 15m 3116 S 0.0 1.6 0:04.33 httpd > 2159 mysql 18 0 138m 8704 2792 S 0.0 0.9 0:01.67 mysqld > > > ----- Original Message ----- > From: "Kenneth Marshall" <[email protected]> > To: "Eriks Goodwin-Pfister" <[email protected]> > Cc: "rt-users" <[email protected]> > Sent: Tuesday, June 1, 2010 9:55:06 AM > Subject: Re: [rt-users] CPU Wait Maxed Out > > On Tue, Jun 01, 2010 at 09:48:24AM -0400, Eriks Goodwin-Pfister wrote: > > But then my question becomes, "why did this happen all of a sudden?" > > We have not changed user loads, usage levels, etc. This is a > > dedicated box being used by about 5 active users and 20 intermittent > > (once a > > week) users. Is 1 Gb of memory not enought for RT with such a light > > loading? > > > > And does anyone have any idea what those odd mailq entries are? I > > have to go in and delete several hundred of them every day or two. > > > > Thanks, > > Eriks > > > > Hi Eriks, > > Obviously, something did change or you would not be having a > problem. :) The harder part is to discover what changed and how > it is affecting your system. Those odd mailq entries if they > are being fed to RT could bump the load on your system. Do > you have any kind of filtering pre-RT to prevent bogus mail > from hitting the RT server? > > Regards, > Ken > > > > > ----- Original Message ----- > > From: "Richard Skelton" <[email protected]> > > To: "Eriks Goodwin-Pfister" <[email protected]> > > Sent: Tuesday, June 1, 2010 9:07:58 AM > > Subject: Re: [rt-users] CPU Wait Maxed Out > > > > Hi Eriks, > > Yes as I thought you are short on real memory. > > Look at the swap. > > Here is a busy 16 core Linux system of mine with load of free > > memory:- procs -----------memory---------- ---swap-- -----io---- > > --system-- > > ----cpu---- r b swpd free buff cache si so bi bo in cs us sy > > id wa > > ...lots of repetitive information deleted... > > Discover RT's hidden secrets with RT Essentials from O'Reilly Media. > Buy a copy at http://rtbook.bestpractical.com > Discover RT's hidden secrets with RT Essentials from O'Reilly Media. Buy a copy at http://rtbook.bestpractical.com
