Hi,
You could try more ram by using a PAE kernel but as yet you have not run out
of RAM. Your swap
file is not being used yet.
This will save you having to upgrade to a 64 bit version at least. A simple
download install and reboot.
I would be looking a the access and error logs for the Apache server to try and
see what is hogging CPU.
best wishes
Tony White
On 11/02/2015 00:12, Giuseppe Perna wrote:
Hello Sebastian,
thanks for you replay.
in my server, actually, there are many many users.
this overload problem manifests itself especially in the morning.
What should I do? I have already given more ram, 4GB (server is 32
bit) and multiple cores.
logs, apache I noticed that there are also several ip of foreign
countries and not only in my country.
You could give me some guidance on what to check?
2015-02-10 13:58 GMT+01:00 Sebastian Grewe <[email protected]>:
Enable status module, enable extended status, then run apachectl fullstatus.
Returns a list of all current and past connections to workers with their IP and
the target URL.
If you have a ton of users, this may be normal. If it suddenly spiked it may be
a exploit scan or DOS?
- Sebastian
On 10 Feb 2015, at 13:51, Giuseppe Perna <[email protected]> wrote:
hello,
i have this problem whit my server:
the httpd process allocates many resources and blocks nearly the server.
how can I see who stops me the server?
top - 13:06:40 up 3 days, 21:35, 2 users, load average: 14.42, 18.17, 29.27
Tasks: 267 total, 8 running, 259 sleeping, 0 stopped, 0 zombie
Cpu(s): 96.8% us, 3.1% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.1% hi, 0.0% si
Mem: 4147308k total, 4078692k used, 68616k free, 194268k buffers
Swap: 1052280k total, 208k used, 1052072k free, 2769732k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
11392 apache 25 0 33932 16m 5164 R 71.0 0.4 14:18.90 httpd
8669 apache 25 0 33940 15m 4648 R 36.8 0.4 14:28.61 httpd
8668 apache 25 0 33996 16m 4972 R 36.5 0.4 14:08.75 httpd
13379 apache 25 0 33876 15m 4480 R 36.1 0.4 14:26.00 httpd
13380 apache 25 0 33876 15m 4484 R 36.1 0.4 14:23.78 httpd
22068 apache 25 0 33972 15m 4660 R 36.1 0.4 34:29.64 httpd
28017 apache 15 0 27320 9904 4964 S 5.6 0.2 0:03.08 httpd
30771 apache 16 0 27252 9964 5008 S 5.3 0.2 0:02.36 httpd
30406 apache 16 0 34268 16m 4900 S 3.0 0.4 0:01.34 httpd
29621 apache 16 0 27436 9952 4884 S 2.6 0.2 0:02.24 httpd
30753 apache 15 0 27196 9956 5132 S 2.6 0.2 0:00.89 httpd
31726 apache 17 0 26972 9024 4444 S 2.6 0.2 0:00.08 httpd
28752 apache 16 0 33224 14m 4660 S 2.3 0.4 0:01.69 httpd
29972 apache 16 0 27432 9932 4876 S 2.0 0.2 0:01.15 httpd
30728 apache 19 0 27120 9388 4616 S 2.0 0.2 0:00.91 httpd
29958 apache 16 0 27196 9.9m 5244 S 1.6 0.2 0:01.94 httpd
32322 vpopmail 16 0 4520 868 692 S 1.3 0.0 0:00.04 imapd
3614 mysql 15 0 173m 38m 5120 S 0.7 0.9 5:26.43 mysqld
31347 vpopmail 15 0 6800 1376 1024 S 0.7 0.0 0:00.50 qmail-smtpd
22439 root 16 0 6892 1452 968 S 0.3 0.0 0:04.44 authdaemond
24859 apache 16 0 27344 10m 5532 S 0.3 0.3 0:04.73 httpd
30426 apache 15 0 27320 9924 4996 S 0.3 0.2 0:01.36 httpd
31277 vpopmail 15 0 3900 1596 1276 S 0.3 0.0 0:00.30 spamdyke
1 root 16 0 3640 544 464 S 0.0 0.0 0:01.49 init
# qtp-whatami
qtp-whatami v0.2.4
DISTRO=CentOS
OSVER=4.8
ARCH=i686
BUILD_DIST=cnt40
BUILD_DIR=/usr/src/redhat
This machine's OS is supported, but this version/arch has not been tested.
# rpm -qa | grep toaster
control-panel-toaster-0.5-1.3.4
courier-authlib-toaster-0.59.2-1.3.6
qmailtoaster-plus-0.2.14-1.3.17
avvertimento: only V3 signatures can be verified, skipping V4 signature
ezmlm-cgi-toaster-0.53.324-1.3.3
ripmime-toaster-1.4.0.6-1.3.3
ucspi-tcp-toaster-0.88-1.3.5
isoqlog-toaster-2.1-1.3.4
vpopmail-toaster-5.4.17-1.3.4
vqadmin-toaster-2.3.4-1.3.3
avvertimento: only V3 signatures can be verified, skipping V4 signature
libdomainkeys-toaster-0.68-1.3.3
ezmlm-toaster-0.53.324-1.3.3
squirrelmail-toaster-1.4.9a-1.3.6
libsrs2-toaster-1.0.18-1.3.3
spamassassin-toaster-3.1.8-1.3.8
clamav-toaster-0.95.2-1.3.30
qmailmrtg-toaster-4.2-1.3.3
qmail-toaster-1.03-1.3.15
qmailadmin-toaster-1.2.11-1.3.4
simscan-toaster-1.3.1-1.3.6
daemontools-toaster-0.76-1.3.3
maildrop-toaster-devel-2.0.3-1.3.5
maildrop-toaster-2.0.3-1.3.5
qmail-pop3d-toaster-1.03-1.3.15
autorespond-toaster-2.0.4-1.3.3
courier-imap-toaster-4.1.2-1.3.7
--
Giuseppe
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