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From "Nikunj Singh" <nikunj.si...@moneycontrol.com>
Subject [users@httpd] Segmentation fault on Redhat 6.2 running Apache Webserver
Date Thu, 19 Jun 2003 09:41:02 GMT

hi,

I am running apache webserver on redhat 6.2 with dual cpu PIII 500 with 1 gb
ram and 1gb of swap.
The webserver serves static html,and PHP. The webserver was running fine but
today it started giving out of memory errors. At bash for every command i
ran it gave me segmentation fault. the cause for this was that it didnt have
any free ram or swap space available.The swap space is continuously full
with only 1 mb free swap space left if any. Which process is using the swap?
This process which is using this can be the httpd processes only ... but if
the processes are sleeping why doesnt the memory get released ... The load
average is also pretty high reaching 75 too at times. Please advise .. what
may be causing the memory lock up?


"Top" gave the following results ... sorted on resident memory usage...

2:02pm up 37 days, 19:32, 3 users, load average: 7.98, 5.72, 8.03
417 processes: 412 sleeping, 5 running, 0 zombie, 0 stopped
CPU states: 17.9% user, 13.3% system, 0.0% nice, 68.7% idle
Mem: 1036192K av, 1033392K used, 2800K free, 527992K shrd, 20972K buff
Swap: 1052216K av, 1049212K used, 3004K free 41184K cached

PID USER     PRI  NI  SIZE  RSS SHARE STAT  LIB %CPU %MEM   TIME COMMAND
22285 corneliu   0   0 13604 9972  2932 S       0  0.0  0.9   3:06 httpd
 9272 corneliu   0   0 13220 9828  2884 S       0  0.0  0.9   2:36 httpd
12518 corneliu   0   0 13648 9780  2980 S       0  0.0  0.9   4:28 httpd
20650 corneliu   0   0 13796 9744  2904 S       0  0.0  0.9   4:20 httpd
28402 corneliu   0   0 13296 9740  3048 S       0  0.0  0.9   2:33 httpd
28903 corneliu   0   0 13268 9728  3044 S       0  0.0  0.9   1:58 httpd
29428 corneliu   0   0 13288 9660  2912 S       0  0.0  0.9   3:01 httpd
13265 corneliu   0   0 13616 9648  2864 S       0  0.0  0.9   2:32 httpd
31102 corneliu   0   0 12972 9628  2852 S       0  0.0  0.9   4:07 httpd
29927 corneliu   0   0 13364 9612  2980 S       0  0.0  0.9   2:52 httpd
30678 corneliu   0   0 13028 9576  3440 S       0  0.0  0.9   2:36 httpd
22283 corneliu   0   0 13724 9420  2896 S       0  0.0  0.9   2:58 httpd
23427 corneliu   0   0 12856 9396  2876 S       0  0.0  0.9   3:00 httpd
22284 corneliu   0   0 12820 9356  2928 S       0  0.0  0.9   2:47 httpd
21436 corneliu   0   0 12780 9260  2860 S       0  0.0  0.8   2:11 httpd
21962 corneliu   0   0 12800 9248  2820 S       0  0.0  0.8   2:17 httpd
29722 corneliu   0   0 13284 9220  2892 S       0  0.0  0.8   2:59 httpd
 9647 corneliu   0   0 12564 9196  2900 S       0  0.0  0.8   2:28 httpd
31946 corneliu   0   0 12584 9028  2896 S       0  0.0  0.8   1:17 httpd
23445 corneliu   0   0 12256 8988  2860 S       0  0.0  0.8   2:39 httpd
11846 corneliu   0   0 12372 8984  2852 S       0  0.0  0.8   2:13 httpd
31951 corneliu   0   0 12532 8984  2836 S       0  0.0  0.8   1:41 httpd
31957 corneliu   0   0 12216 8892  2832 S       0  0.0  0.8   2:13 httpd
31945 corneliu   0   0 12336 8876  2852 S       0  0.0  0.8   1:32 httpd
 8219 corneliu   0   0 12532 8860  2848 S       0  0.0  0.8   2:00 httpd
22403 corneliu   0   0 12784 8796  2972 S       0  0.0  0.8   3:03 httpd
12488 corneliu   0   0 12844 8784  2948 S       0  0.0  0.8   4:37 httpd
 9417 corneliu   0   0 12124 8756  3024 S       0  0.0  0.8   0:25 httpd
 7814 corneliu   0   0 12340 8728  2832 S       0  0.0  0.8   1:46 httpd
32040 corneliu   0   0 12204 8680  2888 S       0  0.0  0.8   1:50 httpd
32049 corneliu   0   0 11980 8620  2832 S       0  0.0  0.8   1:21 httpd
30177 corneliu   0   0 11612 8608  3764 S       0  0.0  0.8   0:01 httpd
31944 corneliu   0   0 11888 8604  2944 S       0  0.0  0.8   1:17 httpd
31936 corneliu   0   0 12176 8580  2896 S       0  0.0  0.8   1:14 httpd
32068 corneliu   0   0 11772 8492  2880 S       0  0.0  0.8   1:09 httpd



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