3ecommunications.net

Home > Cpu Usage > Apache High Cpu Usage Problem

Apache High Cpu Usage Problem

Contents

If you want Apache processes to take up less memory, you should disable modules (as each one is more code that needs to be in memory). Other problem is memory usage. Currently it will display you username as "Apache" because you might not have enabled "suphp" If you wish then you can enable it and will able to track an exact username I added a tiny bit of logic that has the JavaScript write an image tag pointing to the high-CPU instance 60% of the time, and pointing to a URL on the navigate here

Turning off KeepAlive allowed the server to serve more users more quickly, since I didn't have a bunch of httpd threads sitting connected to browsers that had already received all the Have you tried to switvh to fastcgi insteas of cgi and do you have a php binary cache like xcache or eacellerator installed? Digital Hardness of Integers Keeping windshield ice-free without heater Why leave magical runes exposed? Make sure you've upgraded everything.

Apache High Cpu Usage Problem

Like db interaction is taking time then try to cache queries, batch queries to avoid concurrency issues. For one Drupal site, though, which is a VPS with a virtualized disk on a SAN, I've measured 7-10% faster individual page loads. This way the pages are not processed via SQL and PHP. Since this would be cleared, I would point out that you should work on the server settings.

How to change "niceness" while perfoming top command? It's important that you choose a sane value for this setting to prevent any number of bad things from happening: Set it too low and you might cause people to wait It works as a web server and configured to: Apache 2.4 + MPM Worker + Mod_fcgid When I run top command, I see high CPU usage by PHP processes of website. Reduce Apache Cpu Usage list of files based on permission Why does the `reset` command include a delay?

This one is creating a /cache/ folder in the root or your preset folder that holds the static files. it's nice you were able to lower the usage, pretty good strategy. Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Post Reply Print view 11 posts 1 2 Next Return to “CentOS http://serverfault.com/questions/389827/how-should-i-tune-apache-when-i-see-high-cpu-but-low-memory-usage Edit 2 - The backtrace (bt) from gdb doesn't seem to be all that useful when PHP isn't configured with --enable-debug - it only shows "execute()", but I need to know

Most of time, hitting between 90% and 100% load! Apache Httpd High Cpu Usage Please let me know. There's no need to have 30 workers sitting around doing nothing. 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

Apache High Cpu Usage Windows

Take a look (apachectl -M): core_module (static) log_config_module (static) logio_module (static) mpm_prefork_module (static) http_module (static) so_module (static) actions_module (shared) alias_module (shared) authz_host_module (shared) deflate_module (shared) dir_module (shared) env_module (shared) include_module (shared) share|improve this answer answered Mar 13 '13 at 18:36 Harry Slaughter 11 Keep in mind that only one child process means that Apache can only serve a single request, Apache High Cpu Usage Problem Keeping windshield ice-free without heater Kids shuffling cards Why leave magical runes exposed? Ubuntu Apache High Cpu Usage Why leave magical runes exposed?

My problem is that CPU (all cores) have a high load. check over here Disallowing \textbf, \it, \sffamily, ... Give an indeterminate limit of a function that is always indeterminate with iterated attempts at l'Hopital's Rule. when mysql was restarted. Apache Cpu Usage High Plesk

Snake Game in C# Are the guns on a fighter jet fixed or can they be aimed? Real-world example: One site I work with had a page pick up tons of traffic over the course of a few hours, and the web server (a small 2 GB VPS Not the answer you're looking for? his comment is here You can lookup the correct password in /usr/local/ispconfig/server/lib/config.inc.php.

It was hard even connecting to the server via SSH, and when I checked top, the server was using about 4 GB of swap (yikes!), and the CPU was spiking around Mod_status Apache 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. Note: There is a good discussion on Reddit about situations when KeepAlive may be helpful and may, in fact, help Apache (or your server in general) perform better, like if you

Or a module?

Is there a reason why similar or the same musical instruments would develop? Of a 8GB total, the consumed memory is about 6.5GB to 7.5GB. So if you have the budget I'd definitely recommend looking into Lighttpd and setting up a test server. Php High Cpu Usage And do you face such problems after a new release, code changes, server updates or anything like that? –grosshat May 22 '12 at 11:00 add a comment| 1 Answer 1 active

I noticed quickly that the server's load was under 1.00, and nothing seemed awry, but trying to access http://www.jeffgeerling.com/ was taking 30 seconds or longer! Browse other questions tagged apache-2.2 performance memory php5 central-processing-unit or ask your own question. Is the binomial theorem actually more efficient than just distributing Should we eliminate local variables if we can? weblink Top L6Echo Posts: 7 Joined: 2015/10/29 17:02:10 Re: Apache httpd high CPU usage Quote Postby L6Echo » 2015/11/03 08:30:59 First of all, thanks aks for your support.RAMRAM TOTAL: 5852 MBRAM FREE:

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! Sometimes there are more than 150 php-cgi processes. Let's leave a little overhead for Linux and other bits on the server, say .4 GB: (2000 MB - 900 MB) / 50 MB = 22 You should set the MaxClients Of a 8GB total, the consumed memory is about 6.5GB to 7.5GB.

Nice little gadget ya got there too. The GeoIP is still a C API not specific to Apache, you can still manually compile ( see http://www.cyberciti.biz/tips/linux-lighttpd-install-mod_geoip-tutorial.html ). If #1 is the case, I don't really know how to help - something is incredibly wrong, so wrong I don't even know where to tell you to start looking. Not to mention if I read correctly you're using Apache Prefork which to my knowledge is not threaded ( worker is ).

I think is too much. Currently it will display you username as "Apache" because you might not have enabled "suphp" If you wish then you can enable it and will able to track an exact username This instance is running the web server (and nothing else) for W3Counter. Use the FAQ Luke Top L6Echo Posts: 7 Joined: 2015/10/29 17:02:10 Re: Apache httpd high CPU usage Quote Postby L6Echo » 2015/11/04 17:22:32 Exactly, first I update with yum update glibc

Now I updated PHP. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science I've disabled hostname lookups. Load didn't really move.

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 My mySQL table size was about 300MB and system resorces constantly 100% or above. system 2009-07-24 12:57:20 UTC #12 Dan_Grossman said: Pro tip: Read at least one post before replying. Maybe in sets of 3 for the high volume sites?

Turned out it was an old developers code getting stuck in a loop (PHP file)! The offending process is the apache2. Thanks:) Dan_Grossman 2009-07-21 14:40:48 UTC #6 So it's peak time again, I temporarily disabled mod_geoip and GD rendering. KeepAlive does one simple thing: destroy Apache's ability to handle many concurrent requests.