Re: Memory Leaks

On Friday 20 July 2001 07:22, Johnson, Kirk wrote: > > -----Original Message----- > > From: Paul Strange [mailto:paul.strange@level67.net] > > Sent: Thursday, July 19, 2001 1:18 PM > > To: php-general@lists.php.net > > Subject: [PHP] Memory Leaks > > > > When we review the error_log from apache, we see the following alot: > > > > zend_hash.c(291) : Freeing 0x0812738C (65 bytes), > > script=/www/dmp/app/index.php > > Last leak repeated 152 times > > Paul, I was hoping to see a response to your post from one of our more > "technical" list members. That's not me, unfortunately. > > We had a recent bout with this same thing. We have a home-grown database > abstraction layer (written in C) that had some memory leaks. As soon as we > fixed that code, these "Freeing" errors went away. That's the sum total of > what I know about this, sorry :( > > Did you configure PHP with the --enable-debug switch? If not, you may want > to try it, you may get some additional info into the error log. > > Good luck. > > Kirk Kirk, I checked our configuration with a phpinfo (). --enable-debug is there and part of the configuration. I have checked the error logs again and here is some more information: <<<<< Start error_log >>>>> zend_hash.c(291) : Freeing 0x08126FCC (65 bytes), script=/www/dmp/app/index.php Last leak repeated 274 times zend_compile.c(116) : Freeing 0x081230AC (30 bytes), script=/www/dmp/app/index.php Last leak repeated 4 times ./zend_execute.c(378) : Freeing 0x0818B04C (17 bytes), script=/www/dmp/app/index.php zend_variables.c(127) : Actual location (location was relayed) ./zend_execute.c(375) : Freeing 0x08121E44 (12 bytes), script=/www/dmp/app/index.php ./zend_execute.c(1517) : Freeing 0x081882BC (12 bytes), script=/www/dmp/app/index.php Last leak repeated 7 times ./zend_execute.c(1625) : Freeing 0x081556E4 (12 bytes), script=/www/dmp/app/index.php zend_hash.c(461) : Freeing 0x0818B094 (44 bytes), script=/www/dmp/app/index.php Last leak repeated 5 times zend_hash.c(202) : Freeing 0x0812280C (20 bytes), script=/www/dmp/app/index.php Last leak repeated 12 times ./zend_execute.c(1536) : Freeing 0x0818C4F4 (48 bytes), script=/www/dmp/app/index.php Last leak repeated 3 times zend_API.c(313) : Freeing 0x081581FC (6 bytes), script=/www/dmp/app/index.php Last leak repeated 17 times zend_API.c(309) : Freeing 0x081581BC (12 bytes), script=/www/dmp/app/index.php Last leak repeated 17 times php_mysql.c(1389) : Freeing 0x0817B044 (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) ./zend_execute.c(140) : Freeing 0x08169974 (48 bytes), script=/www/dmp/app/index.php zend_variables.c(150) : Actual location (location was relayed) Last leak repeated 1 time zend_hash.c(433) : Freeing 0x081555C4 (16 bytes), script=/www/dmp/app/index.php zend_hash.c(427) : Freeing 0x08123B34 (35 bytes), script=/www/dmp/app/index.php Last leak repeated 2 times file.c(1922) : Freeing 0x0816A0B4 (9 bytes), script=/www/dmp/app/index.php zend_API.c(499) : Freeing 0x08160B3C (10 bytes), script=/www/dmp/app/index.php Last leak repeated 2 times zend_API.c(495) : Freeing 0x08122304 (12 bytes), script=/www/dmp/app/index.php Last leak repeated 2 times reg.c(534) : Freeing 0x08179EAC (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) ./zend_execute.c(386) : Freeing 0x08121E84 (12 bytes), script=/www/dmp/app/index.php main.c(1083) : Freeing 0x08176DF4 (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) main.c(1082) : Freeing 0x081222C4 (12 bytes), script=/www/dmp/app/index.php main.c(1137) : Freeing 0x0814561C (12 bytes), script=/www/dmp/app/index.php main.c(1119) : Freeing 0x081619B4 (47 bytes), script=/www/dmp/app/index.php main.c(1116) : Freeing 0x081609BC (12 bytes), script=/www/dmp/app/index.php main.c(1104) : Freeing 0x0812447C (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) main.c(1103) : Freeing 0x08160A5C (12 bytes), script=/www/dmp/app/index.php php_variables.c(169) : Freeing 0x081608BC (12 bytes), script=/www/dmp/app/index.php Last leak repeated 111 times string.c(1964) : Freeing 0x08122E2C (29 bytes), script=/www/dmp/app/index.php Last leak repeated 111 times main.c(967) : Freeing 0x081609FC (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) main.c(966) : Freeing 0x081641BC (12 bytes), script=/www/dmp/app/index.php php_variables.c(231) : Freeing 0x0814A0D4 (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) Last leak repeated 1 time php_variables.c(230) : Freeing 0x0817092C (12 bytes), script=/www/dmp/app/index.php Last leak repeated 1 time main.c(1061) : Freeing 0x0814A9CC (48 bytes), script=/www/dmp/app/index.php zend_API.c(188) : Actual location (location was relayed) main.c(1060) : Freeing 0x08166254 (12 bytes), script=/www/dmp/app/index.php zend_ptr_stack.c(29) : Freeing 0x0815BBB4 (256 bytes), script=/www/dmp/app/index.php Last leak repeated 2 times zend_stack.c(27) : Freeing 0x0816B72C (256 bytes), script=/www/dmp/app/index.php Last leak repeated 5 times <<<<< End error_log >>>>> This stuff is killing our server. Our current solution is to bounce apache every 15 minutes. However if the traffic gets heavy, then all the memory gets sucked up and a reboot is required. I would greatly appreciate any help I could get on this matter as it is way beyond my skills. -- Paul Strange Lead Programmer Level 67 LC --- eMail: paul.strange@level67.net Office: 801.486.4686 Fax: 801.994.0467