[rt-users] RT Runs VERY Slowly...
Stevo
checkpoint at ozbergs.com
Thu Apr 29 19:45:56 EDT 2004
Thanks Mike - would RT run better with FastCGI?
----- Original Message -----
From: "Mike Husband" <m.husband at leadup.com.au>
To: "'Stevo'" <checkpoint at ozbergs.com>; <RT-Users at lists.bestpractical.com>
Sent: Thursday, April 29, 2004 4:39 PM
Subject: RE: [rt-users] RT Runs VERY Slowly...
> There has been a lot on the list about performance over the last few
months.
>
> Release 3.0.10 has made some improvement for us.
> Also making sure our database is vacuumed daily.
>
> The following also made a big difference.
>
> [ From http://lists.fsck.com/pipermail/rt-users/2002-August/009562.html ]
> > Apache/mod_perl is often a culprit, well, mostly mod_perl, I think.
> > Make sure you have Apache processes set to die after a certain
> > number of requests. If you set the number to 0, they won't die,
> > and it'll just bog down. Our installation used to run relatively
> > quickly at first, but as those processes lived on, the machine
> > slowed to a crawl; changing this setting fixed this gradual
> > slowdown. Not sure if this is in the docs, but it should be...
>
> Modified /usr/local/apache/conf/httpd.conf and changed:
> MaxRequestsPerChild 0
> to:
> MaxRequestsPerChild 100
> then restarted Apache. 100 might be too low - I'm not sure - we will
> see how performance goes in the next few days.
>
>
> > -----Original Message-----
> > From: rt-users-bounces at lists.bestpractical.com
> > [mailto:rt-users-bounces at lists.bestpractical.com]On Behalf Of Stevo
> > Sent: Thursday, 29 April 2004 4:15 AM
> > To: RT-Users at lists.bestpractical.com
> > Subject: [rt-users] RT Runs VERY Slowly...
> >
> >
> > Hey Guys,
> >
> > Another question... this time about performance. My RT box
> > runs SLOW all
> > the time and I know this might be an Apache tweaking problem but I was
> > hoping someone might have an idea on how to tweak Apache to
> > run better for
> > RT.
> >
> > RT is the only app I run on this box and the box is a Dual
> > Proc (CPU is
> > pretty idle) with 512MB RAM and slowly but surely all the RAM
> > gets eaten up
> > and RT just crawls... below is the output from top about 5
> > minutes after
> > restarting apache - you can see that 411MB are already used
> > up... and over
> > that that number will just increase and increase!
> >
> > Can anyone throw me a bone here?
> >
> > Stevo
> >
> >
> > 12:10pm up 29 days, 0 min, 3 users, load average: 0.12, 0.24, 0.17
> > 63 processes: 62 sleeping, 1 running, 0 zombie, 0 stopped
> > CPU0 states: 0.0% user, 0.5% system, 0.0% nice, 99.0% idle
> > CPU1 states: 0.0% user, 0.0% system, 0.0% nice, 100.0% idle
> > Mem: 513476K av, 411880K used, 101596K free, 0K
> > shrd, 39128K
> > buff
> > Swap: 257032K av, 6064K used, 250968K free
> > 244728K
> > cached
> >
> > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
> > 3567 nobody 9 0 26636 26M 2720 S 0.0 5.1 0:11 httpd
> > 3565 nobody 9 0 25452 24M 2716 S 0.0 4.9 0:03 httpd
> > 3569 nobody 11 0 25320 24M 2696 S 0.0 4.9 0:03 httpd
> > 3571 nobody 9 0 22344 21M 2628 S 0.0 4.3 0:00 httpd
> > 3566 nobody 9 0 22336 21M 2624 S 0.0 4.3 0:00 httpd
> > 3568 nobody 9 0 22336 21M 2624 S 0.0 4.3 0:00 httpd
> > 3573 nobody 9 0 21148 20M 2388 S 0.0 4.1 0:00 httpd
> > 3574 nobody 9 0 21148 20M 2388 S 0.0 4.1 0:00 httpd
> > 3564 root 9 0 21072 20M 2328 S 0.0 4.1 0:00 httpd
> > 13145 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13147 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13148 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13149 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13150 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13151 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13152 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13153 mysql 10 0 22344 18M 2532 S 0.0 3.6 0:39 mysqld
> > 13154 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 13155 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3570 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3572 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3575 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3576 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3577 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 3578 mysql 9 0 22344 18M 2532 S 0.0 3.6 0:00 mysqld
> > 29490 jferong 9 0 2220 2180 1804 S 0.0 0.4 0:00 sshd
> > 29491 jferong 9 0 1492 1492 1084 S 0.0 0.2 0:00 bash
> > 2403 root 9 0 1488 1488 1104 S 0.0 0.2 0:00 bash
> > 2363 root 11 0 1484 1484 1104 S 0.0 0.2 0:00 bash
> > 581 root 9 0 1428 1348 1188 S 0.0 0.2 0:11 sshd
> > 3579 root 15 0 1036 1036 800 R 0.3 0.2 0:00 top
> > 13121 root 9 0 1140 984 980 S 0.0 0.1 0:00
> > mysqld_safe
> > 21490 root 9 0 688 608 568 S 0.0 0.1 0:00 sendmail
> > 485 rpcuser 9 0 676 592 592 S 0.0 0.1 0:00
> > rpc.statd
> > 629 root 9 0 580 556 512 S 0.0 0.1 0:03 crond
> > 445 root 9 0 568 544 492 S 0.0 0.1 0:07 syslogd
> >
> > _______________________________________________
> > http://lists.bestpractical.com/cgi-bin/mailman/listinfo/rt-users
> >
> > RT Developer and Administrator training is coming to LA, DC
> > and Frankfurt this spring and summer.
> > http://bestpractical.com/services/training.html
> >
> > Sign up early, as class space is limited.
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