From: Pete Hodgson Date: 2009-05-11T12:28:30+09:00 Subject: Re: Ruby memory usage Pete Hodgson wrote: > Bill Kelly wrote: >> From: "Pete Hodgson" >>> >>> ruby -v gives: >>> ruby 1.8.6 (2008-06-20 patchlevel 230) [i386-linux] >> >> patchlevel 230 was one of the bad ones. It leaks like a sieve. >> >> See [ruby-core] thread: >> >> [Ruby 1.8 - Bug #216] Memory leaks in 1.8.6p230 and p238 >> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/17571 >> >> It affected a whole range of patchlevels: >> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/17596 >> >> >> Also, a leak of similar severity was introduced later on, starting >> in p296 lasting at least through p355: >> >> [ruby-core:22582] Re: [Bug #1223] Memory leak reintroduced in 1.8.6 >> branch? >> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/22852 >> >> I'd recommend trying the recent official 1.8.6 release, p368 >> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/332578 >> >> I have not personally tried p368 on my long-running servers, as >> I had already found a stable version, p279. So I have not had a >> need to upgrade the version. I can say that p279 is very stable >> in its memory profile. I'm guessing the official p368 release >> probably is too. >> >> >> Hope this helps, >> >> Bill > > > Great info Bill, thanks so much. I'll try building 1.8.6-p368 and see if > the same component exhibits different behaviour running under that > build. > > Assuming that helps, does anyone have any pointers on putting a > non-standard ruby rpm onto a centOS box? My company use centos in > production and I'm betting that my Ops guys will want an rpm, official > or otherwise. I've ran the same component side by side on both p230 and p368 for a few hours. The p368 component is holding steady at around 19MB, while the p230 component is up to 83MB resident, 98MB virtual. Looks like the culprit was indeed a leaky interpreter. Bill, thanks so much for pointing me in such a fruitful direction. I guess my solution will be to upgrade our production machines to the new p368 build. Cheers, Pete -- Posted via http://www.ruby-forum.com/.