User blog comment:Kasara/New Ideas/@comment-5216771-20151026201203/@comment-34633311-20151027024348

For the archives, I usually dig into the history and check the byte number. If it's over 150,000, then I will usually plow in and archive it, since over that number usually creates a lot of lag for me. In all, we've got maybe about 150,000 bytes an archive, and that's a fine number for me.