Zend Optimizer kills other httpd processes

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Zend Optimizer kills other httpd processes

Postby interexa on Tue Jan 15, 2013 11:07 am

Hi,

we encountered an issue with the Zend Optimizer Plus killing other running httpd processes. Some of our longer running php processes have randomly been killed. It took us a long time to figure out why. Now I traced it down to the Zend Optimizer.

Install is zend-server-ce-php-5.3-5.6.0-309.noarch on CentOS. The Version of the Zend Optimizer is php-5.3-optimizer-plus-zend-server-5.6.0-276.x86_64. Stacktrace for the httpd process killing other httpd processes:
Code: Select all
Catchpoint 1 (call to syscall 'kill'), 0x00007f0922b3bbe7 in kill () from /lib64/libc.6
#0  0x00007f0922b3bbe7 in kill () from /lib64/libc.6                                   
#1  0x00007f090973f1a7 in ?? () from /usr/local/zend/lib/optimizerplus/php-5.3.x/ZendOptimizerPlus
#2  0x00007f090973f12f in ?? () from /usr/local/zend/lib/optimizerplus/php-5.3.x/ZendOptimizerPlus
#3  0x00007f090973ece9 in ?? () from /usr/local/zend/lib/optimizerplus/php-5.3.x/ZendOptimizerPlus
#4  0x00007f091975d5c7 in zend_llist_apply () from /usr/local/zend/lib/apache2/libphp5           
#5  0x00007f091975ae1b in ?? () from /usr/local/zend/lib/apache2/libphp5                         
#6  0x00007f09197672e3 in ?? () from /usr/local/zend/lib/apache2/libphp5                         
#7  0x00007f0919715801 in php_request_startup () from /usr/local/zend/lib/apache2/libphp5         
#8  0x00007f09197ef778 in ?? () from /usr/local/zend/lib/apache2/libphp5                         
#9  0x00007f09245f3980 in ap_run_handler ()                                                         
#10 0x00007f09245f723e in ap_invoke_handler ()                                                       
#11 0x00007f0924602880 in ap_process_request ()                                                     
#12 0x00007f09245ff748 in ?? ()                                                                     
#13 0x00007f09245fb488 in ap_run_process_connection ()                                               
#14 0x00007f0924607657 in ?? ()                                                                     
#15 0x00007f092460796a in ?? ()                                                                     
#16 0x00007f09246085ec in ap_mpm_run ()                                                             
#17 0x00007f09245df840 in main ()                                                                   
(needed to remove the .so else I'm not allowed to post here links??


Why in the hell is the ZendOptimizer killing other running httpd processes?

Greetings Jürgen
interexa
 
Posts: 1
Joined: Tue Jan 15, 2013 10:55 am

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