Hi

I am not really a webmaster but I have a webpage, you know... Well, I have a managed VPS and really happy with it, though there have been a lot of problems with the perfomance of my site. Using joomla+phpbb basically. My provider has helped a lot, but perfomance issues are really weird, and I am beginning to think there is something wrong with my files (may be any hacking, attack, not sure).

Last days my VPS, even with 2 Gigs of memory is failing almost everyday, and I need to restart twice or even three times a day. Not normal at all of course.

I have usual figures and the kmemsize is giving currently all the problems I think. Could you help me to learn where to watch?

I always thought this was a mysql related problem, with the forum exhausting resources, but it is not possible now, I think. I have set up a new forum, with just 200 users and 3000 posts there (leaving old one only for registered users - no more than 1800 users there-); website using Joomla receiving just 1000 visitors a day, so this is not logical.

Thanks in advance,

uid resource held maxheld barrier limit failcnt
6175: kmemsize 10451386 10469053 12000000 13000000 2493968569
lockedpages 0 0 2048 2048 0
privvmpages 261745 262106 524288 557056 0
shmpages 4955 4955 172032 172032 0
dummy 0 0 0 0 0
numproc 132 132 1920 1920 0
physpages 123554 123556 0 2147483647 0
vmguarpages 0 0 270336 2147483647 0
oomguarpages 123567 123569 208896 2147483647 0
numtcpsock 34 35 2880 2880 0
numflock 11 11 1504 1648 0
numpty 1 1 128 128 0
numsiginfo 0 2 1024 1024 0
tcpsndbuf 113628 115856 13762560 21626880 0
tcprcvbuf 11140 13368 13762560 21626880 0
othersockbuf 26300 42864 9008640 16777216 0
dgramrcvbuf 0 2228 2097152 2097152 0
numothersock 35 37 2880 2880 0
dcachesize 581030 586196 27279360 28999680 0
numfile 1892 1893 74496 74496 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 43 43 1024 1024 0
top - (shift+M)

14163 mysql 15 0 508m 71m 6704 S 0.0 1.4 0:01.98 mysqld
18290 nobody 25 0 86216 67m 27m S 0.0 1.3 1:40.43 httpd
16139 nobody 25 0 85504 64m 27m S 0.0 1.2 0:41.07 httpd
15703 nobody 16 0 45668 28m 27m S 0.0 0.5 1:43.63 httpd
16140 nobody 25 0 44648 25m 27m S 0.0 0.5 1:08.85 httpd
15570 nobody 16 0 39128 22m 27m S 0.0 0.4 1:53.29 httpd
15572 nobody 15 0 38396 22m 27m S 0.0 0.4 3:47.31 httpd
15702 nobody 16 0 38832 22m 27m S 0.0 0.4 3:10.78 httpd
15796 nobody 25 0 40296 22m 27m S 0.0 0.4 4:02.00 httpd
16126 nobody 15 0 38956 22m 27m S 0.0 0.4 1:48.01 httpd
15622 root 16 0 24140 21m 3708 S 0.0 0.4 0:00.05 spamd
15624 root 16 0 24140 21m 3708 S 0.0 0.4 0:00.02 spamd
15488 root 16 0 24140 21m 3708 S 0.0 0.4 0:02.73 spamd
15795 nobody 15 0 37700 21m 27m S 0.0 0.4 1:53.94 httpd
15558 nobody 16 0 37976 21m 27m S 0.0 0.4 3:17.96 httpd
20317 nobody 16 0 38704 21m 27m S 0.0 0.4 0:37.90 httpd
18285 nobody 16 0 37980 21m 27m S 0.0 0.4 2:46.48 httpd
18291 nobody 16 0 37812 21m 27m S 0.0 0.4 2:22.52 httpd
18282 nobody 16 0 37736 21m 27m S 0.0 0.4 2:18.72 httpd
3537 nobody 15 0 38364 21m 27m S 0.0 0.4 1:34.84 httpd
15786 nobody 16 0 37412 20m 27m S 0.0 0.4 1:51.74 httpd
12125 nobody 16 0 38104 20m 27m S 0.0 0.4 0:38.77 httpd
15566 nobody 15 0 35788 19m 27m S 0.0 0.4 1:24.24 httpd
15560 nobody 15 0 35180 18m 27m S 0.0 0.4 1:32.18 httpd
15562 nobody 16 0 34868 18m 27m S 0.0 0.4 3:24.59 httpd
18289 nobody 15 0 35148 18m 27m S 0.0 0.4 1:13.32 httpd
15559 nobody 16 0 34444 17m 27m S 0.0 0.3 2:25.84 httpd
# ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 1616 604 ? Ss Sep14 0:00 init
root 14104 0.0 0.0 1520 588 ? Ss Sep14 0:00 syslogd -m 0
root 14114 0.0 0.0 1444 456 ? S Sep14 0:00 /usr/sbin/courierlogger -pid=/var
root 14115 0.0 0.0 1788 608 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
root 14124 0.0 0.0 2140 1108 ? S Sep14 0:00 /bin/sh /usr/bin/mysqld_safe --da
root 14145 0.0 0.0 1788 632 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
root 14146 0.0 0.0 1788 632 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
root 14148 0.0 0.0 1788 632 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
root 14149 0.0 0.0 1788 632 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
root 14150 0.0 0.0 1788 632 ? S Sep14 0:00 /usr/libexec/courier-authlib/auth
mysql 14163 0.0 1.3 520260 73520 ? Sl Sep14 0:01 /usr/sbin/mysqld --basedir=/ --da
named 14211 0.0 0.0 55708 3132 ? Ssl Sep14 0:00 /usr/sbin/named -u named
root 14233 0.0 0.0 3984 1704 ? Ss Sep14 0:00 /usr/sbin/sshd
root 14247 0.0 0.0 2068 856 ? Ss Sep14 0:00 xinetd -stayalive -pidfile /var/r
root 14301 0.0 0.1 9592 8352 ? S Sep14 0:00 chkservd
root 14320 0.0 0.0 1448 392 ? S Sep14 0:00 /usr/sbin/courierlogger -pid=/var
root 14321 0.0 0.0 1552 468 ? S Sep14 0:00 /usr/lib/courier-imap/libexec/cou
root 14330 0.0 0.0 1448 392 ? S Sep14 0:00 /usr/sbin/courierlogger -pid=/var
root 14331 0.0 0.0 1552 468 ? S Sep14 0:00 /usr/lib/courier-imap/libexec/cou
root 15360 0.0 0.0 1448 460 ? S Sep14 0:00 /usr/sbin/courierlogger -pid=/var
root 15361 0.0 0.0 1552 492 ? S Sep14 0:00 /usr/lib/courier-imap/libexec/cou
root 15370 0.0 0.0 1448 392 ? S Sep14 0:00 /usr/sbin/courierlogger -pid=/var
root 15371 0.0 0.0 1552 468 ? S Sep14 0:00 /usr/lib/courier-imap/libexec/cou
mailnull 15400 0.0 0.0 7312 2012 ? Ss Sep14 0:00 /usr/sbin/exim -bd -q60m
mailnull 15409 0.0 0.0 7312 1976 ? Ss Sep14 0:00 /usr/sbin/exim -tls-on-connect -b
root 15418 0.0 0.0 3036 1684 ? S Sep14 0:00 antirelayd
root 15488 0.0 0.4 24140 22428 ? Ss Sep14 0:02 /usr/bin/spamd -d --allowed-ips=1
root 15522 0.0 0.1 27844 6484 ? Ss Sep14 0:00 /usr/local/apache/bin/httpd -DSSL
root 15535 0.0 0.0 2448 1036 ? Ss Sep14 0:00 crond
nobody 15557 0.7 0.3 32376 17136 ? S Sep14 1:45 /usr/local/apache/bin/httpd -DSSL
nobody 15558 1.4 0.4 37976 21772 ? S Sep14 3:18 /usr/local/apache/bin/httpd -DSSL
nobody 15559 1.0 0.3 34444 18084 ? S Sep14 2:25 /usr/local/apache/bin/httpd -DSSL
nobody 15560 0.6 0.3 35180 19116 ? S Sep14 1:32 /usr/local/apache/bin/httpd -DSSL
nobody 15562 1.4 0.3 34868 18940 ? S Sep14 3:24 /usr/local/apache/bin/httpd -DSSL
nobody 15565 0.6 0.2 31924 15876 ? S Sep14 1:31 /usr/local/apache/bin/httpd -DSSL
nobody 15566 0.6 0.3 35788 20012 ? S Sep14 1:24 /usr/local/apache/bin/httpd -DSSL
nobody 15570 0.8 0.4 39128 23208 ? S Sep14 1:53 /usr/local/apache/bin/httpd -DSSL
nobody 15571 0.3 0.2 31944 15800 ? S Sep14 0:50 /usr/local/apache/bin/httpd -DSSL
nobody 15572 1.6 0.4 38396 23052 ? S Sep14 3:47 /usr/local/apache/bin/httpd -DSSL
root 15622 0.0 0.4 24140 22432 ? S Sep14 0:00 spamd child
root 15624 0.0 0.4 24140 22432 ? S Sep14 0:00 spamd child
mailnull 15627 0.0 0.0 7564 5340 ? S Sep14 0:00 eximstats
root 15661 0.0 0.2 12252 10788 ? S Sep14 0:00 cpsrvd - waiting for connections
nobody 15678 1.6 0.2 31860 15792 ? S Sep14 3:44 /usr/local/apache/bin/httpd -DSSL
root 15680 0.0 0.1 6860 5552 ? S Sep14 0:00 cpbandwd
root 15681 0.0 0.2 13928 11348 ? SN Sep14 0:03 cpanellogd - sleeping for logs
nobody 15702 1.3 0.4 38832 23012 ? S Sep14 3:10 /usr/local/apache/bin/httpd -DSSL
nobody 15703 0.7 0.5 45668 28944 ? S Sep14 1:43 /usr/local/apache/bin/httpd -DSSL
nobody 15711 0.0 0.0 3772 2424 ? S Sep14 0:00 entropychat
nobody 15716 0.0 0.0 1672 588 ? S Sep14 0:00 /usr/local/cpanel/bin/startmelang
cpanel 15738 0.0 0.0 3708 1772 ? Ss Sep14 0:00 /usr/bin/stunnel-4.15local /usr/l
root 15751 0.0 0.0 4024 1180 ? Ss Sep14 0:00 /usr/sbin/saslauthd -m /var/run/s
nobody 15786 0.8 0.3 37412 21080 ? S Sep14 1:52 /usr/local/apache/bin/httpd -DSSL
nobody 15795 0.8 0.4 37700 21908 ? S Sep14 1:53 /usr/local/apache/bin/httpd -DSSL
nobody 15796 1.7 0.4 40296 22996 ? S Sep14 4:02 /usr/local/apache/bin/httpd -DSSL
nobody 16126 0.7 0.4 38956 22772 ? S Sep14 1:48 /usr/local/apache/bin/httpd -DSSL
nobody 16139 0.3 1.2 85504 65824 ? S Sep14 0:41 /usr/local/apache/bin/httpd -DSSL
nobody 16140 0.5 0.4 44648 26616 ? S Sep14 1:08 /usr/local/apache/bin/httpd -DSSL
root 16294 0.0 0.1 8456 7048 ? S Sep14 0:00 /etc/authlib/authProg
nobody 18282 1.0 0.4 37736 21676 ? S Sep14 2:19 /usr/local/apache/bin/httpd -DSSL
nobody 18284 0.3 0.2 31784 15636 ? S Sep14 0:47 /usr/local/apache/bin/httpd -DSSL
nobody 18285 1.2 0.4 37980 21720 ? S Sep14 2:46 /usr/local/apache/bin/httpd -DSSL
nobody 18289 0.5 0.3 35148 18880 ? S Sep14 1:13 /usr/local/apache/bin/httpd -DSSL
nobody 18290 0.7 1.2 86216 68652 ? S Sep14 1:40 /usr/local/apache/bin/httpd -DSSL
nobody 18291 1.0 0.4 37812 21700 ? S Sep14 2:22 /usr/local/apache/bin/httpd -DSSL
root 26489 0.0 0.1 8456 7044 ? S Sep14 0:00 /etc/authlib/authProg
root 31846 0.0 0.1 8456 7044 ? S Sep14 0:00 /etc/authlib/authProg
nobody 20019 0.4 0.2 31748 15420 ? S Sep14 0:46 /usr/local/apache/bin/httpd -DSSL
nobody 3537 0.9 0.4 38364 21632 ? S Sep14 1:34 /usr/local/apache/bin/httpd -DSSL
root 7748 0.0 0.1 8456 7044 ? S Sep14 0:00 /etc/authlib/authProg
root 29885 0.0 0.1 8456 7044 ? S Sep14 0:00 /etc/authlib/authProg
nobody 12125 1.4 0.3 38104 20628 ? S Sep14 0:38 /usr/local/apache/bin/httpd -DSSL
nobody 20317 1.8 0.4 38704 21772 ? S Sep14 0:37 /usr/local/apache/bin/httpd -DSSL
root 32661 0.0 0.0 6876 2260 ? Ss Sep14 0:00 sshd: root@ttyp0
root 32767 0.0 0.0 2144 1284 ttyp0 Ss Sep14 0:00 -bash
nobody 9654 0.2 0.1 28904 9140 ? S 00:07 0:01 /usr/local/apache/bin/httpd -DSSL
nobody 15422 0.5 0.1 28976 9088 ? S 00:12 0:00 /usr/local/apache/bin/httpd -DSSL
root 15874 0.0 0.0 2300 748 ttyp0 R+ 00:13 0:00 ps aux