ZF-6756: PluginLoader does not exclusively lock the plugin cache file it writes too

Description

Under load and when using APC I get strange behavior. I think there should be some file locking to prevent concurrent write attempts and reads as the app builds up the cache. This is similar to the bugs ZF-5585 and another one which I forget.

Comments

Bulk change of all issues last updated before 1st January 2010 as "Won't Fix".

Feel free to re-open and provide a patch if you want to fix this issue.