By dorien on

Hello,

I have multiple domains set up on my server. Most of them do not have too much traffic.

Ever since installing a few basic (no extra modules) Drupal 7 sites, I get tons or error messages saying: Unable to allocate memory for pool

My host tells my I have run out of APC memory and cannot upgrade it, he says it is because I have too many sites (about 5-10).

My question: is it really the amount of sites? Of just the number of hits? Or how many modules are installed?

Any tips on how to proceed?

Thanks!

⋅ Categories: Drupal 7.x

Comments

yelvington’s picture

yelvington commented

Are these separate installs (from Apache's point of view) or Drupal multisite?

This raises an interesting question, and I don't actually know the answer: In a multisite scenario, is a given PHP file cached only once?

dorien’s picture

dorien commented

It is not a multisite, the different sites do not share the same codebase.

technicalknockout’s picture

technicalknockout commented

You might consider a multi-site install - since then apc can reuse the cached files between the various sites. Otherwise I believe APC is caching a version of each drupal core file for each directory. Can you see your stats (usually a script called apc.php)? They should give you a clearer picture of what APC has been up to.

Also here's a great post on optimizing APC for drupal: http://xerosphere.net/optimizing-apc-for-drupal

- - turpana.com - -