dear All,
The apache problem is sloved now.
The problem was there was a new component installed in php (capetcha), which
require additions graphcal binaries. We just installed it ( lib-png nad
lib-jpeg) and now apache is not eating any cpu load.
Thank you all for your valuable help.
Regards,
Jay
On Tue, Aug 24, 2010 at 2:03 PM, sadhiq b <b.sad...@yahoo.co.in> wrote:
>
>
>
>
> --- On Mon, 23/8/10, jaydeep chaudhari
> <chaudhari.jayd...@gmail.com<chaudhari.jaydeep%40gmail.com>>
> wrote:
>
> From: jaydeep chaudhari
> <chaudhari.jayd...@gmail.com<chaudhari.jaydeep%40gmail.com>
> >
> Subject: [Linux_Mantra] Apachi is eating my cpu
> To: Linux_Mantra@yahoogroups.com <Linux_Mantra%40yahoogroups.com>,
> linuxvada...@yahoogroups.com <linuxvadapav%40yahoogroups.com>
> Date: Monday, 23 August, 2010, 6:56 PM
>
>
>
>
> Dear All,
>
> I am getting below mentioned error on my server
>
> ( Cent OS 5.2, Arch= ia64, 8GB ram quadcore processor)
>
> Can anyone has faced same issue before? Please let me know if anyone has
>
> solution for this
>
> top - 17:25:26 up 3 days, 5:46, 5 users, load average: 83.86, 75.80,
>
> 73.61
>
> Tasks: 284 total, 32 running, 252 sleeping, 0 stopped, 0 zombie
>
> Cpu(s): 98.2%us, 1.7%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.1%si,
>
> 0.0%st
>
> Mem: 8176480k total, 8125824k used, 50656k free, 308928k buffers
>
> Swap: 16777184k total, 384k used, 16776800k free, 4593648k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>
> 2239 apache 16 0 160m 59m 13m R 29 0.7 2:12.41 /usr/sbin/httpd
>
> 10200 apache 25 0 158m 58m 13m R 13 0.7 0:31.80 /usr/sbin/httpd
>
> 12633 apache 25 0 161m 61m 14m R 13 0.8 3:13.62 /usr/sbin/httpd
>
> 13449 apache 25 0 156m 51m 11m R 13 0.6 0:19.00 /usr/sbin/httpd
>
> 13480 apache 25 0 156m 52m 13m R 13 0.7 0:17.11 /usr/sbin/httpd
>
> 13735 apache 25 0 162m 62m 14m R 13 0.8 4:10.05 /usr/sbin/httpd
>
> 15008 apache 20 0 156m 52m 13m R 13 0.7 0:07.55 /usr/sbin/httpd
>
> 15111 qmailq 25 0 144m 141m 2512 R 13 1.8 0:02.61
>
> /usr/bin/clamscan --tempdir=/tmp/clamav.15108 -r --no-summary -
>
> 15443 qmailq 25 0 136m 132m 2176 R 13 1.7 0:02.20
>
> /usr/bin/clamscan --tempdir=/tmp/clamav.15439 -r --no-summary -
>
> 2542 apache 25 0 156m 57m 14m R 13 0.7 2:49.90 /usr/sbin/httpd
>
> 4171 apache 21 0 156m 55m 13m R 13 0.7 2:19.41 /usr/sbin/httpd
>
> 10178 apache 25 0 156m 53m 13m R 13 0.7 0:37.95 /usr/sbin/httpd
>
> 4251 apache 25 0 161m 59m 14m R 13 0.7 2:40.70 /usr/sbin/httpd
>
> 13458 apache 25 0 156m 52m 13m R 12 0.7 0:15.14 /usr/sbin/httpd
>
> 10181 apache 25 0 157m 54m 12m R 12 0.7 0:45.07 /usr/sbin/httpd
>
> 23818 apache 25 0 160m 61m 14m R 11 0.8 4:13.89 /usr/sbin/httpd
>
> 32591 apache 25 0 156m 57m 14m R 10 0.7 3:12.05 /usr/sbin/httpd
>
> 1387 apache 25 0 156m 55m 14m R 10 0.7 1:38.51 /usr/sbin/httpd
>
> 4507 apache 25 0 169m 68m 14m R 10 0.9 2:22.30 /usr/sbin/httpd
>
> 13457 apache 25 0 156m 52m 13m R 10 0.7 0:20.15 /usr/sbin/httpd
>
> 13494 apache 25 0 156m 53m 13m R 10 0.7 0:17.70 /usr/sbin/httpd
>
> 15275 qmailq 25 0 144m 141m 2512 R 10 1.8 0:02.60
>
> /usr/bin/clamscan --tempdir=/tmp/clamav.15272 -r --no-summary -
>
> 23417 apache 25 0 162m 63m 14m R 10 0.8 3:40.51 /usr/sbin/httpd
>
> 1240 apache 25 0 156m 55m 14m S 8 0.7 1:23.50 /usr/sbin/httpd
>
> 15056 apache 15 0 79024 34m 12m S 7 0.4 0:02.40 /usr/sbin/httpd
>
> 15279 mysql 15 0 468m 61m 12m S 7 0.8 26:55.86
>
> /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --u
>
> 648 apache 16 0 168m 68m 14m S 7 0.9 2:29.80 /usr/sbin/httpd
>
> 15572 qmailq 25 0 68912 63m 2176 R 7 0.8 0:00.70
>
> /usr/bin/clamscan --tempdir=/tmp/clamav.15568 -r --no-summary -
>
> 23781 apache 16 0 159m 59m 14m S 7 0.7 4:15.02 /usr/sbin/httpd
>
> --
>
> Regards,
>
> Jay
>
> 9870567672
>
> [
>
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>
> Sadhiq Wrote -
>
> Note system load and apache are not necessarily related. You may be running
> other processes in your scripts that are contributing to your load.
> This all depends on other config/cgi issues.
>
> Also note, if your dynamic sites are pulling from a database (ie mysql)
> with poor indexing or badly written queries this will also boost your system
> load,
> but has nothing to do with apache.
>
> Are if you running PHP as CGI or as an Apache module ?
> PHP as CGI is not a good thing to do, it will eat plenty of ressources.
> For each page request a new process is started.
> "use mod_fastcgi"
>
> Start servers won't cause a high load. Min with a small max can often do
> this by spawning and dropping processes to fast. Changing the max to a
> higher
> number and raising the MaxRequests will decrease the rate of
> forking/killing processes.
> so try increasing ur
> MaxRequests
> &
> reducing the Timeout value
>
> The other way work arnd try Limiting cpu with Rlimitcpu directive in
> apache
>
> This directive sets the soft and hard limits for maximum CPU usage of a
> process in seconds. It takes one or two parameters. The first parameter,
> soft-seconds, sets the soft resource limit for all processes. The second
> parameter, hard-seconds, sets the maximum resource limit. Either parameter
> can
> be a number, or ``max'', which indicates to the server that the limit
> should match the maximum allowed by the operating system configuration.
> Raising the
> maximum resource limit requires the server to be running as the user
> ``root'', or in the initial start-up phase.
> Ref -
> http://httpd.apache.org/docs/current/mod/core.html#rlimitcpu
> or
> u can limit cpu with cpulimit or prm
>
> Ref -
> http://www.cyberciti.biz/faq/cpu-usage-limiter-for-linux/
> http://www.webhostgear.com/85.html
>
> If ur still stuck post ur conf & logs.
>
> Apache performance tuning
> http://httpd.apache.org/docs/2.0/misc/perf-tuning.html
>
> Or
>
> if ur caching doesnt increase try the following.
> Drop Caches
>
> Kernels 2.6.16 and newer provide
> a mechanism to have the kernel drop the page cache and/or inode and
> dentry caches on command, which can help free up a lot of memory. Now
> you can throw away that script that allocated a ton of memory just to
> get rid of the cache...
> To use /proc/sys/vm/drop_caches, just echo a number to it.
> To free pagecache:
>
> # echo 1 > /proc/sys/vm/drop_caches
>
> To free dentries and inodes:
>
> # echo 2 > /proc/sys/vm/drop_caches
>
> To free pagecache, dentries and inodes:
>
> echo 3 > /proc/sys/vm/drop_caches
>
> This is a non-destructive
> operation and will only free things that are completely unused. Dirty
> objects will continue to be in use until written out to disk and are
> not freeable. If you run "sync" first to flush them out to disk, these
> drop operations will tend to free more memory.
>
> B.Sadhiq
>
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
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