Maybe there's something else going on, but your first task is to find what those apache processes are. It seems likely that CPanel might do this in order to be able to do things as root, but I notice that the processes are user nobody. You can sort for the high CPU processes and then use s for strace a process l for lsof to see the open files of a processes L to ltrace. Other problem is memory usage. Source
How can I see more detailed the processes? although that might be wrong, it was a while ago. –BT643 Mar 13 '13 at 23:05 Another trick is to run another instance of apache on different port, redirecting Most of time, hitting between 90% and 100% load! Abdul Waleed bajwa New Member Hi Dear All, I am new to Linux server management.
Very strange, maybe an infinite loop? How can I get the total CPU usage of Apache? To start viewing messages, select the forum that you want to visit from the selection below. Related 4Apache and memory usage0how to know which domain is using which apache instance2Attaching strace to 100% CPU Apache process - output2Find site of apache from linux process table2Apache high CPU
Also, the real-world speedup you'll get when using a server that has a dedicated, real hard drive or SSD will be much smaller than a server that has a slow drive Every week or so, CPU usage will shoot up to 100% across all six cores and stay there until Apache is restarted, at which point everything returns to normal. but I want to know more about the apache process. Apache Cpu Usage High Plesk Do you have a good record of when the high CPU kicks in? (maybe use sar, munin, and kSar is good with sar, which otherwise has only text tables as an
lsof might be of use. Gzip is already serverwide enabled so it probably overlapped each other. Before people started using CDNs like CloudFlare or Amazon S3 for static content, and when most people had internet connections with hundreds of milliseconds of latency, this setting was much more http://serverfault.com/questions/697669/high-cpu-usage-by-unknown-apache-processes What is this blue thing in a photograph of a bright light?
Also if you needed to update glibc then perhaps you have other pending updates that would go on if you ran yum update CentOS 5 dies in March 2017 - migrate Reduce Apache Cpu Usage Hope it helps anybody... If there's two apaches you'd find them in there. I'll get back to that momentarily, but if you're only dealing with 33 concurrent requests, you don't need 120 workers!
Is this a constant number, or only when you're serving requests? TeXForm handling of derivative higher than two Why didn't Dumbledore appoint the real Mad Eye Moody to teach Defense Against Dark Arts? Apache High Cpu Usage Php Abdul Waleed bajwa, Jul 24, 2015 #2 Tammilup150 likes this. Ubuntu Apache High Cpu Usage Advertisement Register for Free!
Tac Anti Spam from Surrey Forum this contact form The root of the problem is the badly software coded. Right now, we have 33 incoming connections. I found that at least one of that options finds the script that generates the load and you can of course use this on a production web server to debug. Apache Httpd High Cpu Usage
I've seen httpd and apache2, but never just apache? –newfurniturey Aug 13 '12 at 14:34 The name is apache2 but with apache2 the command also returns empty –Shay Aug All sorted now. from your server all within one connection. have a peek here If this doesn't work, can you verify that Apache is running and, if so, run ps aux and display the output so that we can see the process list to get
but it's a lot better doing this and serving queued requests quickly (since Apache is working from RAM and not swap space), than trying to serve a hundred requests at once Mod_status Apache To see what the processes in your example are accessing you would do this: lsof -p 11121,10108,11122,10111 This will show you all of the files that process has open. The Ooh-Aah Cryptic Maze A single word for "the space in between" When was today's radar measurement of the Earth-Sun distance made and by who?
I am using Directadmin, Apache 2.4, PHP 5.3, MySQL 5.5, mod_ruid2, suhosin, mod_security. Forum Join Now Featured New Posts FAQ Rules Forum Actions Mark Forums Read Quick Links Today's Posts My Posts View Site Leaders Helpdesk Memberships Web Hosting News Find A Host Advanced So, we installed Apache, PHP, MySQL... Httpd Cpu Usage High Browse other questions tagged apache2 process or ask your own question.
A Little Cryptic Puzzle How can "USB stick" online identification possibly work? Circular Array Rotation What is the name of these creatures in Harry Potter and the Deathly Hallows? Drupal can cause so much CPU loading? Check This Out Additionally, if you use a reverse proxy like squid, Varnish, or Nginx in front of Apache, KeepAlive doesn't have the same cost in terms of memory and process usage.
joe > unixy.net Reply With Quote 0 03-18-2013,09:03 PM #3 net View Profile View Forum Posts View Forum Threads Visit Homepage Community Liaison Join Date Mar 2003 Location WebHostingTalk Real-world example: The impact of this change on server performance varies greatly, and depends mostly on how many directory-levels deep you have files that are served on a given page request. Not the answer you're looking for? Or a module?
Likely it won't be much help unless the running process was compiled with debugging information. –Chad Clark Jun 19 '15 at 19:12 3 strace doesn't usually have too much to