Mac OS X Memory Usage
This article describes how to interpret Mac OS X's memory display in Activity Monitor.
Although applications are terminated, memory doen't get freed...or so it seems...
- Memory usage when maaany applications are running:
- Memory usage after maaany applications have been terminated:
Although applications are terminated, memory doen't get freed...
- Memory usage after purge:
deep-thought:myScripts heiko$ purge
When memory is freed, it doesn't immediately appears as "free", instead its "inactive" and is used as kind of cache in case the same data will be reused soon (i.e. re-launching the terminated apps). purge "frees" this inactive memory immediately, but this might be contra-productive.