Comments on: Trading eAccelerator for APC

By: frank

frank — Tue, 14 Oct 2008 09:32:36 +0000

you can check the usage of APC's shared memory with the apc_sma_info-function, which will (a.o.) return the amount of available memory. monitoring that value should help you to finetune the size of shared memory. maar door al uw pets zit ik weeral op youtube eh man! must not click on related video's, must not click on related video's, ... *click*

By: Pieter

Pieter — Tue, 14 Oct 2008 08:57:25 +0000

I added this parameter to apc.ini:
apc.shm_size = 64
(see http://2bits.com/articles/high-php-execution-times-drupal-and-tuning-apc-includeonce-performance.html)
which makes it much faster now (apparently the default value assigns not enough memory for my site which results in a lot of swapping).

By: futtta's blog

futtta's blog — Tue, 14 Oct 2008 04:32:53 +0000

Fun with caching in PHP with APC (and others)…

After installing APC, I looked through the documentation on php.net and noticed 3 interesting functions with regards to session-independent data caching in PHP;

apc_store; store a variable in cache
apc_fetch; retrieve the variable from cache
apc_delet…

By: Pieter

Pieter — Mon, 13 Oct 2008 08:56:01 +0000

Thanks for the tip, same problem here. I wasn’t able to install eaccelerator decently on Ubuntu either. So I replaced it with APC. Doesn’t look like the site is faster now, but maybe the throughput is just higher (since I have the impression the CPU load is now higher – maybe it is because the disk isn’t the bottleneck anymore).