resetDataMap and eZContentObject::clearCache

Wednesday 02 February 2011 9:21:19 am

While debugging some memory leakage in my script I ran into this forum post:

http://share.ez.no/forums/developer/memory-problem-will-running-cronjob

Using:

$object->resetDataMap();
eZContentObject::clearCache( array( $object->attribute('id') ) );

helped solving my leakage problem, but the interesting part is that using only eZContentObject::clearCache() without resetDataMap() also solved my problem.

So, is resetDataMap() really needed when you use eZContentObject::clearCache(), ok can we go without it?

--
Nothing is impossible. Not if you can imagine it!

Hubert Farnsworth

Friday 04 February 2011 12:43:59 am

Hello Marko and Damien

I already had memory issues using only eZContentObject::clearCache(). Normally it would indeed clear all the circular references to the object, it actually doesn't. I don't know why, maybe a PHP issue but anyway, the best way to avoid memory leaks is to use both eZContentObject::clearCache() and eZContentObject::resetDataMap().

Here you can find an example in SQLIImport content framework (loot at the flush() method, call by the destructor) :

Friday 04 February 2011 2:22:35 am

Yes, it was with PHP 5.2.x