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Apache Cannot Allocate Memory Apr_thread_create Unable To Create Worker Thread

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From your error log snippet, I'd expect the complete fix to the problem discussed here is sufficient to keep Apache running. settings. Solved Problem with Apache and fastcgi Posted on 2012-01-27 Apache Web Server MySQL Server 1 Verified Solution 1 Comment 1,084 Views Last Modified: 2012-05-12 Hi, I've a Linux webserver with a Another problem i did observed with apache was. http://txtbl.com/unable-to/cannot-allocate-memory-apr-thread-create-unable-to-create-worker-thread.html

I looked in /proc/user_beancounters and found that there was a number of failures on the privvmpages line. Join Now For immediate help use Live now! If I understand correct then the ServerLimit of the MPM worker is set to default 16. You are likely using the "Worker" distribution of Apache, the "prefork" may be more appropriate because it uses 1 thread per process, vs "worker" which uses many threads per process.

Resource Temporarily Unavailable: Apr_thread_create: Unable To Create Worker Thread

I've no problems on the same servers with apache 2.0.53. Comment 8 Jeff Trawick 2005-04-28 17:24:00 UTC Here's a similar patch I've given people in the past: http://people.apache.org/~trawick/worker_mpm_pthread_create_resume.patch One way that it differs is that it keeps the delay, but in Related 1Apache2 Worker Starting Tons of Processes0Starting and stopping Apache2 server?2Apache crashes a few seconds after the start2Can't start apache2 on Debian Squeeze-1Apache2 Service started twice2Can't start apache2 server-2apache2 starting fault2how The official User-To-User support forum of the Apache HTTP Server Project.

And the same thing happened again. http://shopping.msn.com.sg/ The official User-To-User support forum of the Apache HTTP Server Project. If it doesn't help, try to strace the apache2 command: strace -f -o output.txt /etc/init.d/apache2 start strace will trace the system calls (the -f flag orders strace to follow child processes nuke the 10 sec delays.

In our example situation we have this network schema (see atachment). Pthread_threads_max The error_log message you describe in and of itself should be harmless, and is an expected result of configuring the server to use more threads than the system can handle. Comment 3 Joe Orton 2008-03-31 12:59:35 EDT Thread creation is limited by available RAM; if you try to create more threads than RAM allows, it's expected that you'll get a failure http://platonic.techfiz.info/2008/08/cannot-allocate-memory-apr_thread_create-unable-to-create-worker-thread/ Insufficient memory could be the cause although a "(12)Cannot allocate memory: apr_thread_create: unable to create worker thread" should display if thats the case.

If that's the problem try raising the count for maximum processes. Get 1:1 Help Now Advertise Here Enjoyed your answer? But the server does not go down. [Mon May 09 06:35:04 2005] [alert] (12)Cannot allocate memory: apr_thread_create: unable to create worker thread [Mon May 09 09:35:06 2005] [error] (12)Cannot allocate memory: It also fails on a 1Gig server.

Pthread_threads_max

Here is the fix: You can force Apache to use far less memory than what ever it is using now by installing apache2-mpm-prefork instead of apache2-mpm-worker. http://publib.boulder.ibm.com/httpserv/ihsdiag/apr_thread_create.html If I do, setting thread_mutex.c. Resource Temporarily Unavailable: Apr_thread_create: Unable To Create Worker Thread Tango Icons © Tango Desktop Project. Is it correct...[[emailprotected]] Worker Configurations in Httpd-usersHi i have following configurations: ServerLimit 60 StartServers 5 MaxClients 2500 MinSpareThreads 100 MaxSpareThreads 1000 ThreadsPerChild 50 MaxRequestsPerChild 0 1)Is this fine to handle 2000

The strange thing about the second problem was that it did not produce error messages when "configuring and making" and after compilation it was linked to "a missing" library. http://txtbl.com/unable-to/cannot-initialize-module-treewalker-unable.html Having the stats sent as binary values is more efficient, easier to configure and more reliable than polling the server-status page and parsing the text. have a look at '/var/logs/apache2/error.log' or other files in the same directory. –lajuette May 1 '10 at 20:51 Nothing, logs say nothing about it. –Robert Ross May 1 '10 In our test env, on a 512 Meg RAM box, we can start with the desired 512 threads.

After some test (with ab, Apache Benchmark) I notice some error in apache error_log: Out of memory (Needed 518880 bytes) [Fri Jan 27 01:53:04 2012] [alert] (11)Resource temporarily unavailable: apr_thread_create: unable It is intended solely for the addressee. If redhat is making you use it, you should really ask redhat for support. To unsubscribe, e-mail: users-unsubscribe [at] httpd " from the digest: users-digest-unsubscribe [at] httpd For additional commands, e-mail: users-help [at] httpd Index | Next | Previous | Print Thread | View

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I committed the change to httpd-2.1 trunk as revision 168649.

Here is the error_log output. [Thu Aug 28 16:45:02 2008] [warn] pid file /var/run/apache2.pid overwritten -- Unclean shutdown of previous Apache run? [Thu Aug 28 16:45:02 2008] [notice] Apache/2.2.3 (Debian) configured Covered by US Patent. vBulletin ©2000 - 2016, Jelsoft Enterprises Ltd. The apache now works with no problem.

Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use. How small could an animal be before it is consciously aware of the effects of quantum mechanics? I am using Apache Server on Centos 5.5. Connect with top rated Experts 14 Experts available now in Live!

Mail about any other subject will be silently ignored. Here some configuration: AddHandler fcgid-script .fcgi FcgidConnectTimeout 20 MaxRequestLen 15728640 FcgidMaxRequestsPerProcess 500 FcgidMaxProcesses 45 Select all Open in new window Adv Reply June 26th, 2008 #3 parren View Profile View Forum Posts Private Message Visit Homepage First Cup of Ubuntu Join Date Oct 2007 Location Switzerland Beans 2 DistroUbuntu 7.10 I tried that and ended completely removing the process limits as it was in the beginning.

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 Type dpkg --configure -a to make sure all files were configured properly. –ā„¯aphink Aug 27 '10 at 9:23 add a comment| 3 Answers 3 active oldest votes up vote 3 down I'm not sure if it's the same issue or whether this is a new problem. [Tue May 31 12:06:57 2005] [error] (12)Cannot allocate memory: fork: Unable to fork new process [Tue Apache is exiting!

How is it packed? First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. If you adjust the configuration such that it will not try to create more threads than RAM is reasonably available, you shouldn't see this error. Hope this helps someone.

On Linux, the default stack size for each thread is ulimit -s value or 8-10 megabytes -- Apache needs about 512 kilobytes of stack space or less under normal use. vzlist | grep will get you that number. When i specify the --libdir=/usr/local/lib the problem goes away, but i guess this should not be the primary behaviour. Contact Gossamer Threads Web Applications & Managed Hosting Powered by Gossamer Threads Inc.

Attempting to shutdown process gracefully. There are three places where threads are created in worker MPM, and Greg neglected to update one of the paths. Whilst using the same apache with Tomcat 4, I had it distributing load, but it's seems to have stopped unless it will do the first x sessions to Pete. *********************************************************************************** ...[[emailprotected]] Thanks! (from a very grateful and now exhausted man!) Adv Reply Quick Navigation Server Platforms Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums The

The time now is 04:35 AM. I get the below error in my mod_jk logs [Wed Jun 15 15:18:56 2016] [2808:352] [error] extension_fix::jk_uri_worker_map.c (578): Could not find worker with name '/worker1' in uri map post processing. But it starts fine on one of the 512Meg servers. My website still doesn't pull up.