I found that most of the time my computer was pausing, it was stat\'ing or grep\'ing a file, so here\'s a quick lag fix that not only got rid of my most recent serious lag but made it faster than it had ever been before. It also allowed me to recover my broken characters. I haven\'t even had any memory leaks since doing it.
Before starting psclient, go into your planeshift directory (usually ~/my_planeshift) and execute \"chmod 777 * -R\" to give everyone all permissions to all files in all subdirectories there. (Remember, don\'t do this anywhere other than the planeshift folder, as you might break things or create security holes. If you are running as a user as opposed to root, it\'s pretty difficult to break anything, although you may leave your files accessible by other users who may have accounts on your computer.)
I told another player on PS, and he noticed a difference (though I can\'t remember his name). Please post here and let me know how it does for you (as well as all the relevant info, such as what Linux distro, whether using the release or CVS, etc).
(Edit: Eww, I made punctuation mistakes!)
(Edit 2: Ooh, editing bumps?)