# Help tracking memory leaks **URL:** \ **Category:** Ruby\ **Created:** [September 26, 2008, 8:05pm UTC](https://www.ruby-forum.com/t/help-tracking-memory-leaks/149619 "2008-09-26T20:05:45Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![ittayd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/54ee81/32.png) [@ittayd](https://www.ruby-forum.com/u/ittayd)\ **Post date:** [September 26, 2008, 8:05pm UTC](https://www.ruby-forum.com/t/help-tracking-memory-leaks/149619/1 "2008-09-26T20:05:45Z")
Hi, I have a ruby script that uses a lot of memory, dumping ObjectSpace shows that indeed a lot of object exist that shouldn’t. However, I can’t tell why. I don’t know the root object that causes the chain of references that marks them as used. What tool can help here? (I think ruby-prof and bleakhouse are no good since they only show objects that are not garbage collected, not why they are not collected) Thank you, Ittay ---
**Author:** ![ittayd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/54ee81/32.png) [@ittayd](https://www.ruby-forum.com/u/ittayd)\ **Post date:** [October 8, 2008, 2:29am UTC](https://www.ruby-forum.com/t/help-tracking-memory-leaks/149619/2 "2008-10-08T02:29:17Z")
> I have a ruby script that uses a lot of memory, dumping ObjectSpace > shows that indeed a lot of object exist that shouldn’t. However, I can’t > tell why. I don’t know the root object that causes the chain of > references that marks them as used. What tool can help here? (I think > ruby-prof and bleakhouse are no good since they only show objects that > are not garbage collected, not why they are not collected) Saw this recently: [http://www.ruby-forum.com/topic/167320#new](http://www.ruby-forum.com/topic/167320#new) “GC.reachability\_paths” old but about the only thing out there for MRI. You could also try running your code on JRuby and see if it works [different GC] -=R