My MacBook Pro had been running a bit slower since installing Yosemite, despite the fact that it has 16 GB of RAM. I found the following discussion and solution helpful. Since following these steps, my memory usage in Activity Monitor has decreased significantly and everything feels snappier. It’s worth checking out if you’ve noticed any sluggishness since installing Yosemite.
https://discussions.apple.com/thread/6623697?start=0&tstart=0 _______________________________________________ MacGroup mailing list MacGroup@erdos.math.louisville.edu http://www.math.louisville.edu/mailman/listinfo/macgroup