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Resource Temporarily Unavailable: Apr_thread_create: Unable To Create Worker Thread

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But I was not sure if this applies to all 3 locations or just the third one that was initially missed. here is my configure options I use with the apache. #! /bin/sh # # Created by configure "./configure" \ "--disable-autoindex" \ "--libdir=/usr/local/lib" \ "--disable-negotiation" \ "--with-mpm=worker" \ "--disable-userdir" \ "--disable-ssl" \ I am using Apache Server on Centos 5.5. exit with APEXIT_CHILDSICK for thread create failures (same as other patches) 2. weblink

The servers have a custom module used to serve special data to a particular application on the clients. I can repeate this almost daily, because I have a surge of traffic in the mornings. This quickly overruns either 32-bit address space size with TPC near 200+, or if you have system memory limits you can run afoul of them as well. Is "she don't" sometimes considered correct form? http://serverfault.com/questions/137769/apache2-is-not-starting-my-webserver

Resource Temporarily Unavailable: Apr_thread_create: Unable To Create Worker Thread

You could try the above patch which treats this as a transient problem and will not force the server to exit. 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: 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. In that case, it is best for the web server to exit.

All rights reserved. As well as between Apache 2.2 MPM Worker and Apache 1.3 virtual memory usage. Promoted by Recorded Future Enhance your security with threat intelligence from the web. 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.

Apache is exiting! Pthread_threads_max Subscribe to our monthly newsletter for tech news and trends Membership How it Works Gigs Live Careers Plans and Pricing For Business Become an Expert Resource Center About Us Who We Get 1:1 Help Now Advertise Here Enjoyed your answer? http://platonic.techfiz.info/2008/08/cannot-allocate-memory-apr_thread_create-unable-to-create-worker-thread/ If that's the problem try raising the count for maximum processes.

From your error log snippet, I'd expect the complete fix to the problem discussed here is sufficient to keep Apache running. Can someone point me in the right direction? The problem is probably the ulimit limitations on your server. Sources: http://www.linuxquestions.org/questions/linux-networking-3/apache-tuning-question-prefork-c-vs-worker-c-177886/ http://httpd.apache.org/docs/2.0/mpm.html http://objectmix.com/apache/673147-threadsperchild-limit.html share|improve this answer edited May 2 '10 at 3:26 answered May 1 '10 at 23:02 iainlbc 2,4541118 Thanks!

Pthread_threads_max

Relivant logs: [Wed Apr 27 12:17:15 2005] [notice] Apache/2.0.52 (Unix) mod_ssl/2.0.52 OpenSSL/ 0.9.7e DAV/2 mod_python/3.1.3 Python/2.3.5 configured -- resuming normal operati ons [Wed Apr 27 12:17:17 2005] [alert] (12)Cannot allocate memory: For example, RHEL6 reduced roots default process (thread) limit to 1024, so this tuning is required more frequently then it was in the past. The cause IHS has failed to Resource Temporarily Unavailable: Apr_thread_create: Unable To Create Worker Thread Apache is exiting! Support...

Timeout 10 KeepAlive On MaxKeepAliveRequests 10 KeepAliveTimeout 5 MaxClients 300 StartServers 5 MinSpareServers 10 MaxSpareServers 30 StartServers 2 MinSpareThreads 50 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 10000 ServerLimit 400 UseCanonicalName Off If have a peek at these guys We are running on several different platforms with different versions of Red Hat Linux. This can become an issue in a VPS (virtual private server) environment where resources are more constrained. add logic to the parent to decide how bad these errors really are.

Was there no tax before 1913 in the United States? I also commented out the calls to wait 10 seconds [apr_sleep(apr_time_from_sec(10));], as the comment by Jeff suggested. I looked in /proc/user_beancounters and found that there was a number of failures on the privvmpages line. check over here Access to this message by anyone else is unauthorized.

Is it possible somehow to specify which worker will be used by which context specified with ProxyPass directive? Changing the setting to more than the absolute minimum will allow future web server configuration changes without having to modify this kernel setting. Ubuntu Logo, Ubuntu and Canonical Canonical Ltd.

If I do, setting thread_mutex.c.

It is intended solely for the addressee. Privacy Policy Site Map Support Terms of Use Login | Register For Free | Help Search this list this category for: (Advanced) Mailing List Archive: Apache: Users Cannot allocate memory: Set ulimit -s 512 in your "envvars" file shipped alongside apachectl -- note that ThreadStackSize does not help here because that sets a minimum. You could argue that worker is supposed to ...[[emailprotected]] Calculating Settings For Mpm-worker/mod_proxy_ajp/Tomcat in Httpd-usersHello, can anybody tell me how to adjust the different min/max settings for the MPM worker, mod_proxy_ajp

Covered by US Patent. Comment 4 Kelly Price 2005-04-27 18:52:16 UTC I have the same thing in a Debian SARGE install of Linux. When i specify the --libdir=/usr/local/lib the problem goes away, but i guess this should not be the primary behaviour. this content Please Note: this e-mail address is only for reporting problems with ASF Bugzilla.

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. If I up the lbfactor of the second box, everything goes to that box. We need to replicate EVERY executed SQL query on server 1 to… MySQL Server Password Hashing in PHP Article by: Ray Password hashing is better than message digests or encryption, and Hope this helps someone.

The time now is 04:35 AM. What is the total sum of the cardinalities of all subsets of a set? Storage of a material that passes through non-living matter Why are Squibs not notified by the Ministry of Magic Mysterious creeper-like explosions Why put a warning sticker over the warning on I need to remove prefork MPM and apply worker MPM in place of that, Do i need to recompile Apache ?

Comment 6 Gomathi Raja 2008-09-04 10:25:42 EDT it's resolved by reducing the thread values and upgraded to the latest httpd version. 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 It's more likely that you are exceeding PTHREAD_THREADS_MAX setting within your OS. 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]]

Not the answer you're looking for? I am using Apache 2.0.50 on RHEL 3.0. 06:13:36 up 20 days, 13:53, 2 users, load average: 0.00, 0.06, 0.25 41 processes: 40 sleeping, 1 running, 0 zombie, 0 stopped CPU 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. Depalindromize this string!

And! It also fails on a 1Gig server. How small could an animal be before it is consciously aware of the effects of quantum mechanics? New instances of IHS are put into service New colocated instances of WebSphere are put into service.

HP-UX HP-UX: Ensure that the max_thread_proc kernel setting is at least five more than the setting of ThreadsPerChild. Sugestions: [Thu May 05 06:35:05 2005] [alert] (12)Cannot allocate memory: apr_thread_create: unable to create worker thread [Thu May 05 06:35:05 2005] [alert] (12)Cannot allocate memory: apr_thread_create: unable to create worker thread