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03-29-2008, 08:18 AM #1
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"bash: fork: Cannot allocate memory" error
Hi,
Working on CentOs 5, I got this error when listing a folder 'ls' with 5 files in it:
What does it mean? How can I fix it?PHP Code:root@s1 [/usr/local/lib]# ls
-bash: fork: Cannot allocate memory
and my memory status is:
ulimit -a Output:PHP Code:root@s1 [~]# free -m
total used free shared buffers cached
Mem: 14120 224 13895 0 0 0
-/+ buffers/cache: 224 13895
Swap: 0 0 0
Thank you very much in advancePHP Code:core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
max nice (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 88064
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
max rt priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 88064
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
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03-29-2008, 09:31 AM #2
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Are you on a VPS? If so, do this.
cat /proc/user_beancounters
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03-29-2008, 09:48 AM #3
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Yes I'm on a VPS
here's the output:
PHP Code:root@s1 [~]# cat /proc/user_beancounters
Version: 2.5
uid resource held maxheld barrier limit failcnt
4057: kmemsize 10329112 10329112 22111846 22754099 0
lockedpages 0 0 512 512 0
privvmpages 110013 110071 131072 139264 404870
shmpages 1295 1311 43008 43008 0
dummy 0 0 2147483647 2147483647 0
numproc 112 112 480 480 0
physpages 57722 57764 0 2147483647 0
vmguarpages 0 0 67584 2147483647 0
oomguarpages 57723 57765 2147483647 2147483647 0
numtcpsock 57 58 720 720 0
numflock 11 12 376 412 0
numpty 2 2 32 32 0
numsiginfo 0 1 512 512 0
tcpsndbuf 429312 476268 3440640 5406720 0
tcprcvbuf 415492 431876 3440640 5406720 0
othersockbuf 28368 152668 2252160 4194304 0
dgramrcvbuf 0 8380 524288 524288 0
numothersock 34 40 720 720 0
dcachesize 683928 687645 7151616 7151616 0
numfile 4063 4063 18624 18624 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 43 43 256 256 0
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03-29-2008, 10:05 AM #4
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Do you see the failcnt of 404870 in your VPS privvmpages?
Looks like you need more RAM for your VPS.
http://wiki.openvz.org/Privvmpages#privvmpages
Thanks.SecureAX Singapore - Virtualization, Private Cloud Computing & Managed Datacenter in Singapore
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03-29-2008, 10:10 AM #5
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I count, you have ~544MB RAM, you use ~429MB. you have ~110MB free. Maybe you sometimes run program, who need alocate >110MB. And, at moments when you use ls, server is using all memory.
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03-29-2008, 10:16 AM #6
Junior Guru Wannabe
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ask your VPS provider to increase the value of the variable
privvmpages
for your VPSWeb Hosting Gurus
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03-29-2008, 10:17 AM #7
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Thank you for the clarification, but how is it possible that I need more RAM when I'm running one small vbulletin website on the VPS and as you can see my memory status is using 224 of 13895
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03-29-2008, 10:56 AM #8
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Originally Posted by wir3d
The memory allocation above does not belong to you. It belongs to the host node which also means the total memory of the machine. Are you running any control panel as well?[email protected] [~]# free -m
total used free shared buffers cached
Mem: 14120 224 13895 0 0 0
-/+ buffers/cache: 224 13895
Swap: 0 0 0
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03-29-2008, 11:01 AM #9
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can you give us a list of processes running and we will tell you what ones are not needed that could be eating some of your ram.
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03-29-2008, 11:08 AM #10
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Yes I have cPanel on my VPS
here's the list of running processes:
PHP Code:root@s1 [~]# ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 2040 652 ? Ss Mar28 0:02 init [3]
nobody 1764 0.0 0.0 19244 9912 ? S 14:50 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 1787 0.0 0.0 17968 7800 ? S 14:50 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 3578 0.1 0.0 22732 13112 ? S 14:41 0:01 /usr/local/apache/bin/httpd -k start -DSSL
nobody 5537 0.1 0.0 19272 10196 ? S 14:51 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 6088 0.0 0.0 17968 7804 ? S 15:00 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7581 0.1 0.0 20700 11476 ? S 14:52 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 7611 0.0 0.0 8992 2704 ? Ss 15:01 0:00 sshd: root@pts/1
nobody 7818 0.0 0.0 17968 7812 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7828 0.0 0.0 17968 7792 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7829 0.0 0.0 17968 7792 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7848 1.2 0.0 19632 10276 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7849 0.0 0.0 17968 7792 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7850 0.0 0.0 17968 7792 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7851 0.0 0.0 17968 7792 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 7863 0.2 0.0 3580 1448 pts/1 Ss 15:01 0:00 -bash
nobody 7876 0.1 0.0 19824 10536 ? S 14:52 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7894 0.0 0.0 20636 11364 ? S 14:52 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7896 0.1 0.0 20632 11344 ? S 14:52 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7921 0.2 0.0 19932 10840 ? S 14:52 0:01 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7957 0.0 0.0 17968 8172 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7985 3.6 0.0 19824 10440 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 7987 1.6 0.0 19236 9900 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 8059 0.0 0.0 17968 7144 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 8095 0.0 0.0 17968 7144 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 8097 0.0 0.0 17968 7144 ? S 15:01 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 8183 0.0 0.0 2416 908 pts/1 R+ 15:01 0:00 ps aux
nobody 11751 0.0 0.0 19380 10092 ? S 14:53 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 11824 0.0 0.0 23280 13492 ? S 14:35 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 14301 0.0 0.0 4884 1476 ? S 04:22 0:00 crond
root 14302 0.0 0.0 7472 5660 ? Ss 04:22 0:01 cPanel Update (upcp) - Master
mailnull 15371 0.0 0.0 8884 2100 ? S 04:22 0:00 /usr/sbin/sendmail -FCronDaemon -i -odi -oem -oi -t
root 15399 0.0 0.0 7472 4804 ? Ss 04:22 0:00 cPanel Update (upcp) - Slave
root 15401 0.0 0.0 0 0 ? Z 04:22 0:00 [fixrndc] <defunct>
nobody 15410 0.0 0.0 19388 10076 ? S 14:54 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 15423 0.1 0.0 19252 10172 ? S 14:54 0:00 /usr/local/apache/bin/httpd -k start -DSSL
named 15502 0.0 0.0 69036 3400 ? Ssl 04:22 0:00 /usr/sbin/named -u named
nobody 21605 0.0 0.0 19380 10104 ? S 14:47 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 22239 0.1 0.0 23788 13316 ? S 14:38 0:02 /usr/local/apache/bin/httpd -k start -DSSL
nobody 23925 0.1 0.0 19244 9940 ? S 14:56 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 24542 0.1 0.0 19456 10156 ? S 14:57 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 25778 0.0 0.0 8992 2700 ? Ss 13:43 0:00 sshd: root@pts/0
root 25897 0.0 0.0 3584 1456 pts/0 Ss+ 13:44 0:00 -bash
nobody 26007 0.3 0.0 20608 11504 ? S 14:57 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 26033 0.1 0.0 20852 11592 ? S 14:57 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 26034 0.1 0.0 19024 9688 ? S 14:57 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 26335 0.2 0.0 19464 10160 ? S 14:57 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 27985 0.0 0.0 2124 532 ? S<s Mar28 0:00 /sbin/udevd -d
nobody 28128 0.2 0.0 20168 10868 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 28141 0.3 0.0 20084 10788 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 28186 0.1 0.1 23964 14668 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 28188 0.3 0.0 19844 10544 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 28537 0.0 0.0 1704 576 ? Ss Mar28 0:00 syslogd -m 0
root 28555 0.0 0.0 1640 404 ? S Mar28 0:00 /usr/sbin/courierlogger -pid=/var/spool/authdaemon/pid -faci
root 28556 0.0 0.0 1944 616 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28574 0.0 0.0 1944 236 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28575 0.0 0.0 1944 236 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28576 0.0 0.0 1944 236 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28577 0.0 0.0 1944 236 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28578 0.0 0.0 1944 236 ? S Mar28 0:00 /usr/libexec/courier-authlib/authdaemond
root 28580 0.0 0.0 6144 1036 ? Ss Mar28 0:00 /usr/sbin/sshd
root 28599 0.0 0.0 2684 856 ? Ss Mar28 0:00 xinetd -stayalive -pidfile /var/run/xinetd.pid
root 28609 0.0 0.0 3580 1260 ? S Mar28 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-
nobody 28625 0.1 0.0 20716 11624 ? S 14:49 0:01 /usr/local/apache/bin/httpd -k start -DSSL
mysql 28645 0.1 0.1 110396 20480 ? Sl Mar28 1:34 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user
root 29738 0.0 0.0 8136 4720 ? S Mar28 0:00 chkservd
root 29750 0.0 0.0 1640 404 ? S Mar28 0:00 /usr/sbin/courierlogger -pid=/var/run/imapd.pid -start -name
root 29751 0.0 0.0 1736 540 ? S Mar28 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxpro
root 29759 0.0 0.0 1640 324 ? S Mar28 0:00 /usr/sbin/courierlogger -pid=/var/run/imapd-ssl.pid -start -
root 29760 0.0 0.0 1740 516 ? S Mar28 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxpro
root 29765 0.0 0.0 1636 320 ? S Mar28 0:00 /usr/sbin/courierlogger -pid=/var/run/pop3d.pid -start -name
root 29766 0.0 0.0 1740 512 ? S Mar28 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxpro
root 29774 0.0 0.0 1636 320 ? S Mar28 0:00 /usr/sbin/courierlogger -pid=/var/run/pop3d-ssl.pid -start -
root 29775 0.0 0.0 1740 516 ? S Mar28 0:00 /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxpro
mailnull 29801 0.0 0.0 8872 1092 ? Ss Mar28 0:00 /usr/sbin/exim -bd -q60m
mailnull 29804 0.0 0.0 8876 1024 ? Ss Mar28 0:00 /usr/sbin/exim -tls-on-connect -bd -oX 465
root 29813 0.0 0.0 4796 2052 ? S Mar28 0:03 antirelayd
root 29991 0.0 0.2 31752 29180 ? Ss Mar28 0:02 /usr/bin/spamd -d --allowed-ips=127.0.0.1 --pidfile=/var/run
nobody 30037 0.1 0.0 19216 9908 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 30071 0.0 0.1 31752 27616 ? S Mar28 0:00 spamd child
root 30074 0.0 0.1 31752 27536 ? S Mar28 0:00 spamd child
root 30078 0.0 0.0 17968 8720 ? Ss Mar28 0:07 /usr/local/apache/bin/httpd -k start -DSSL
root 30128 0.0 0.0 6212 1484 ? Ss Mar28 0:00 pure-ftpd (SERVER)
root 30130 0.0 0.0 5980 1160 ? S Mar28 0:00 /usr/sbin/pure-authd -s /var/run/ftpd.sock -r /usr/sbin/pure
root 30147 0.0 0.0 16516 5900 ? S Mar28 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 30148 0.0 0.0 4360 1120 ? Ss Mar28 0:00 crond
nobody 30181 0.2 0.0 18996 9696 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
mailnull 30288 0.0 0.0 8528 5308 ? S Mar28 0:01 eximstats
nobody 30451 0.2 0.0 19692 10396 ? S 14:58 0:00 /usr/local/apache/bin/httpd -k start -DSSL
root 30535 0.0 0.0 19800 9076 ? S Mar28 0:00 cpsrvd - waiting for connections
root 30629 0.0 0.0 17240 9008 ? S Mar28 0:00 cpdavd - accepting connections on 2077 and 2078
root 30665 0.0 0.0 7052 4616 ? S Mar28 0:00 cpbandwd
root 30667 0.0 0.0 15160 11856 ? SN Mar28 0:05 cpanellogd - sleeping for logs
nobody 30686 0.0 0.0 4776 2012 ? S Mar28 0:00 entropychat
mailman 31824 0.0 0.0 10892 4884 ? Ss Mar28 0:00 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/ma
root 31840 0.0 0.0 5436 704 ? Ss Mar28 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
root 31842 0.0 0.0 5436 432 ? S Mar28 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
mailman 31851 0.0 0.0 10724 6688 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31852 0.0 0.0 10692 6692 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31853 0.0 0.0 10668 6696 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31854 0.0 0.0 10724 6692 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31855 0.0 0.0 10712 6716 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31856 0.0 0.0 11212 7232 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31857 0.0 0.0 10728 6684 ? S Mar28 0:03 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
mailman 31859 0.0 0.0 10728 6684 ? S Mar28 0:00 /usr/bin/python2.4 /usr/local/cpanel/3rdparty/mailman/bin/qr
root 31943 0.0 0.0 1660 424 ? Ss Mar28 0:00 /usr/sbin/portsentry -tcp
nobody 32662 0.0 0.0 17968 8148 ? S 14:59 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 32673 0.0 0.0 17968 8140 ? S 14:50 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 32679 0.1 0.0 19960 9988 ? S 14:59 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 32731 0.1 0.0 19632 10308 ? S 14:59 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 32761 0.5 0.0 19212 9900 ? S 14:59 0:00 /usr/local/apache/bin/httpd -k start -DSSL
nobody 32762 0.2 0.0 20028 10704 ? S 14:59 0:00 /usr/local/apache/bin/httpd -k start -DSSL
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03-29-2008, 11:17 AM #11
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You have cPanel running which usually takes 512MB ram and you have quite a lot of web traffic as well
Both contribute to the high memory usage
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03-29-2008, 11:23 AM #12
Web Hosting Master
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A clean cPanel install with no sites on it can be running in <200MB RAM with a little optimization.
Based on that I would suggest looking at your Apache and MySQL configuration files in order to reduce memory usage.
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03-29-2008, 11:31 AM #13
Web Hosting Guru
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You half traffic and control panels are ram eaters, have you disabled services you dont need on the server, maybe things like ftp or exchange, also what version of apache are you running, is there a need for things like pop3 to be on and other random processes? also have you thaught about turing cpanel off via ssh and turining it back on again when you need it?
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03-29-2008, 02:32 PM #14
Newbie
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Thank you guys for the clarification I guess I'm going to do a little optimization \ disable some services and see what comes up
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