Hi folks,
I've been watching a strange behaviour of my subversion server.
Sometimes the apache processes use almost all virtual memory. I think,
that the problem is caused by some ldap or subversion module's issue,
because I see a lot of open connections to our ldap server (Active
Directory), which the users authenticate themselfs against. Has anybody
from you have a problem like this and solved it ? Any help would be very
appreciated.
My configuration is as following:
Hardware:
DELL PE 2950
Intel(R) Xeon(R) CPU 5130 @ 2.00GHz
1 Gbyte RAM + 2 Gbyte Swap
Software:
SuSE Linux 10.2 (i386)
Apache/2.0.59 (Unix) DAV/2 mod_ssl/2.0.59 OpenSSL/0.9.8d SVN/1.4.3
mod_bw/0.8
OpenLDAP Libs 2.3.27
top shows the following:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12002 wwwrun 21 0 782m 334m 3020 S 0 33.0 4:37.08 httpd
12221 wwwrun 23 0 655m 327m 2972 S 0 32.4 6:38.63 httpd
30282 wwwrun 15 0 450m 4808 2944 S 0 0.5 2:28.12 httpd
11013 wwwrun 16 0 391m 9808 3028 S 0 0.9 2:26.50 httpd
21926 root 17 0 105m 736 520 S 0 0.1 0:03.27 nscd
15917 wwwrun 25 0 102m 78m 2972 S 0 7.8 0:21.79 httpd
10920 wwwrun 15 0 47172 4908 2976 S 0 0.5 1:27.72 httpd
12157 wwwrun 15 0 41468 4744 2908 S 0 0.5 0:15.23 httpd
15789 wwwrun 15 0 36032 22m 2996 S 0 2.2 0:06.06 httpd
netstat -tpn shows this:
Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address
State PID/Program name
tcp 1 0 192.168.1.2:39784 192.168.1.99:389
CLOSE_WAIT 30282/httpd
tcp 1 0 192.168.1.2:39783 192.168.1.99:389
CLOSE_WAIT 12221/httpd
tcp 1 0 192.168.1.2:39782 192.168.1.99:389
CLOSE_WAIT 30282/httpd
tcp 1 0 192.168.1.2:40600 192.168.1.99:389
CLOSE_WAIT 15917/httpd
tcp 1 0 192.168.1.2:40598 192.168.1.99:389
CLOSE_WAIT 30282/httpd
tcp 1 0 192.168.1.2:47659 192.168.1.99:389
CLOSE_WAIT 12002/httpd
tcp 1 0 192.168.1.2:47657 192.168.1.99:389
CLOSE_WAIT 15917/httpd
tcp 1 0 192.168.1.2:41262 192.168.1.99:389
CLOSE_WAIT 12002/httpd
tcp 0 0 192.168.1.2:41221 192.168.1.99:389
ESTABLISHED 12002/httpd
tcp 0 0 192.168.1.2:41220 192.168.1.99:389
ESTABLISHED 11013/httpd
tcp 0 0 192.168.1.2:41222 192.168.1.99:389
ESTABLISHED 12157/httpd
tcp 0 0 192.168.1.2:41224 192.168.1.99:389
ESTABLISHED 11013/httpd
tcp 1 0 192.168.1.2:44541 192.168.1.99:389
CLOSE_WAIT 11013/httpd
tcp 1 0 192.168.1.2:44542 192.168.1.99:389
CLOSE_WAIT 10920/httpd
tcp 1 0 192.168.1.2:44060 192.168.1.99:389
CLOSE_WAIT 12157/httpd
tcp 1 0 192.168.1.2:44648 192.168.1.99:389
CLOSE_WAIT 12157/httpd
tcp 1 0 192.168.1.2:57201 192.168.1.99:389
CLOSE_WAIT 15789/httpd
tcp 1 0 192.168.1.2:58676 192.168.1.99:389
CLOSE_WAIT 10920/httpd
tcp 1 0 192.168.1.2:59512 192.168.1.99:389
CLOSE_WAIT 15789/httpd
tcp 1 0 192.168.1.2:59514 192.168.1.99:389
CLOSE_WAIT 12221/httpd
tcp 1 0 192.168.1.2:59515 192.168.1.99:389
CLOSE_WAIT 10920/httpd
tcp 0 8303 192.168.1.2:443 192.168.2.11:1620
ESTABLISHED 15917/httpd
In the apache logfiles I cannot see any suspicious lines but some
authentication errors (wrong username or password).
thank you very much !
Kind Regards,
Hermann Maurer
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Received on Tue Jul 10 15:33:26 2007