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Debug Apache Cpu Usage


Ss 18:20 0:00 crond
xfs 2521
0.0 0.0 3588 580 ? Memory usage, disk I/O, and network traffic all remain relatively flat throughout, and the problem doesn't surface at a consistent time of day. Ssl 18:19 0:19 /usr/sbin/named -u named -t /var/named/chroot
root 1760 0.0 0.0 1656 552 ? That would certainly explain the high CPU usage (it stays around, others are spawned and recalled according to load). check my blog

Luckily(?) they're sparse files so they don't actually take up that much physical space (the disks aren't even that big), but that's definitely not good. Drupal can cause high CPU load? If it is a shared host post a link to the hosts site the package you are onDedicated: Fedora Core 5, Pentium 4 CPU 2.80GHz, 2 Gb RAM. HTTPD is talking to Apache Tomcat (5.x) via mod_jk (1.2.25). http://serverfault.com/questions/487530/find-out-what-high-cpu-usage-apache-process-is-actually-doing

Troubleshooting Apache High Cpu

Once you hit the same situation, you can look at /tmp/httpd.strace for hints. To check for both of these causes, disable cron jobs one by one by running as root: crontab -e Try to disable only one service at once and wait for a Server reboot has not helped.

But if you need all the modules you've got enabled, then, well, that's that. We have a lot of rewrite to other applications. When jumping a car battery, why is it better to connect the red/positive cable first? Reduce Apache Cpu Usage How does disk I/O look (iostat -mhx 2)?

It takes the access.log as argument and shows you all accessed pages, hosts and more:apachetop -f /var/log/httpd/access_logCool, but… What if you're using Plesk? Apache High Cpu Usage Windows S 22:48 0:01 /usr/sbin/httpd
apache 4461
0.8 0.7 35660 15020 ? await svctm %util 08:55:50 dev8-0 877.25 ... 179.28 1.14 99.84 08:55:50 dev8-1 0.00 ... 0.00 0.00 0.00 08:55:50 dev8-2 0.00 ... 0.00 0.00 0.00 08:55:50 dev8-3 877.25 ... 179.28 1.14 99.84 http://serverfault.com/questions/541604/apache-consuming-too-much-cpu-and-memory Why?Security and privacyMoodle PartnersMoodle Users AssociationLoungeGlossary of common termsActivities and resourcesOther componentsMoodle developmentSkip AdministrationAdministrationForum administrationRSS feed of posts the Moodle projectAboutNewsSupportGet involvedLearn MoodleCertification (MCCC)Moodle storeDonateDocumentationMoodle 3.2Browse by languageDownloadsLatest releasePluginsMoodle MobileDemoSchoolSandboxQA testingTrackerBrowse

But if you have 300+ vhosts? Apache Cpu Usage High Plesk The only remaining question was where was this request coming from? S 22:48 0:00 /usr/sbin/httpd
apache 4543 1.3 0.8 37692 17144 ? Yes, the domain… The access_log doesn't contains the domain of the  vhost itself, just the path to the file.

Apache High Cpu Usage Windows

Ss 18:19 0:00 /usr/bin/hidd --server
root 1996 0.0 0.0 1876 612 ? http://askubuntu.com/questions/194719/i-have-an-apache-process-that-takes-98-cpu-how-can-i-find-what-apache-call-it Heine-Borel theorem. Troubleshooting Apache High Cpu This is good news, because it means you should be able to fix this problem. Ubuntu Apache High Cpu Usage Or it's merely an ordinary mistake?

Not the answer you're looking for? http://computerhelpdev.com/cpu-usage/wmp-cpu-usage.php Not the answer you're looking for? Are the following topics usually in an introductory Complex Analysis class: Julia sets, Fatou sets, Mandelbrot set, etc? I'm not certain. Apache Httpd High Cpu Usage

So it was trying to generate an image that was 320200x200125, rather than 320x200! Could someone please say more about exactly how admin privs could cause this problem? And BTW, there's also ltrace to mention — try it as well. news g.

Until now, good results and no apache persistent process consuming all CPU. –Ricardo Giaviti Sep 25 '13 at 17:23 Disabling KeepAlive shouldn't make a difference, but we'll see! Mod_status Apache I don't want this website be allowed to be hacked and I hate CPU intensive processes which run forever, so lets stop the attack through a simple .htaccess file and a No PHP or CGI, only Tomcat via mod_jk.

S 18:20 0:00 imapd
cyrus 2400 0.0 0.0 30716 1232 ?

S< 18:01 0:00 [aio/1]
root 300 0.0 0.0 0 0 ? Because the filename is used in user-space (Apache is a user process) and we're "debugging in kernel space" (simple description) the filename (a string) needs to be copied (copyinstr). The first thing I always do is run top and see what's happening: top - 08:51:03 up 73 days, 7:45, 1 user, load average: 69.00, 58.31, 46.89 Tasks: 316 total, 2 Httpd Cpu Usage High Are there any troubleshooting tools that might let me peer into the inner workings of httpd?

In any case, where the link was coming from is of less concern than the fact that it no longer causes the whole server to grind to a halt whenever someone Why?Visvanath RatnaweeraThursday, 31 July 2014, 3:01 PMCheck http://docs.moodle.org/22/en/Performance_recommendations.Average of ratings: - Permalink | Show parent | Reply Re: Apache CPU usage shoots to >= 100%. What if a pair of double-spent transactions are collected into a new block? More about the author It stores the access_log of each website in a separate file within the corresponding vhost directory.

I'm the only admin / course manager on the siteIs moodle's cron job running?This was one of my first suspects, but I wrote a wrapper around Moodle's cron that watches CPU Nope, that's definitely not bing. If so, you might suspect that you having caching problems as Moodle is trying to cache to slow disk.In any case, you need to tell is a bit more about what D 18:20 0:00 /usr/libexec/hald-addon-storage
root 2735 0.0 0.5 12236 12232 ?

I would recommend changing apache-mod-php to nginx-fcgi-php for your security and scalability. –Vitaly Greck Jun 16 '15 at 22:25 | show 1 more comment 4 Answers 4 active oldest votes up S 22:48 0:00 /usr/sbin/httpd
apache 4542 0.4 0.7 37208 16272 ? Given your example the syntax would be sudo strace -p 12554. S 22:16 0:37 /usr/bin/perl /usr/bin/mimedefang.pl -server
root 2512 0.0 0.0 0 0 ?

Disallowing \textbf, \it, \sffamily, ... more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed share|improve this answer answered Sep 30 '12 at 9:09 izx 94.4k22221265 I used strace and this is what I see in endless loop: poll([{fd=41, events=POLLIN|POLLPRI}], 1, 0) = 0 Why one shouldn't play the 6th string of an A chord on guitar?

Example, it has an infinite loop or something - the OS has become unstable, due to locking or some other issue where rebooting temporarily solved the problem. Hopefully this whole thing will be resolved once I get the new server up and running, but I've still got some obstacles to overcome before that can happen, and in the What to do about a player who takes risks and dies (without consequence)? share|improve this answer answered May 2 '09 at 18:16 carson 1,4701014 add a comment| up vote 1 down vote install mod_proctitle for apache share|improve this answer answered May 27 '09 at

Assuming I'm right about it likely listening on a different port, it might be useful to set something up to capture traffic on that port so you can see what triggers But a quick search through the database showed no links to an image with the invalid size:320200 parameter. Maybe there is one single IP the all the requests are coming from. Ss 18:20 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam
root 2597 0.0 0.0 5208 1156 ?