This plugin allows you to view the amount of memory that is consumed by each plugin in the server. Either use the console command "plugmem" to see the current memory usage in the console, or have a look at the webadmin page that has per-plugin live graphs of the memory use:
Source: https://github.com/madmaxoft/PluginMemory
Download: https://github.com/madmaxoft/PluginMemor...master.zip
Source: https://github.com/madmaxoft/PluginMemory
Download: https://github.com/madmaxoft/PluginMemor...master.zip