irb: name='1'*1024*1024*100;nil # 100m name=rand GC.start ============= $ ps -ef|grep irb ax 14081 13958 0 14:57 pts/2 00:00:00 irb $ top 14081 ============= 14081 ax 20 0 114m 112m 1960 S 0 11.3 0:00.66 irb 14081 ax 20 0 13824 11m 1960 S 0 1.2 0:00.54 irb ------------- when "name=rand;GC.start", 112m->11m,why? but "name=nil;GC.start",dont work -- Posted via http://www.ruby-forum.com/.