Memory Leak with Ruby 1.9.2 Rails 3.0 Beta 4

I have tried various combinations and find that by simply generating a skeleton Rails 3.0 application, and then running

siege http://localhost:3000

My ruby process would then leak a few MB every 5 minutes.

The reason I tried this is because I just converted a full blown Rails 2.3 and Ruby En开发者_运维知识库terprise 1.8.6 application over to Ruby 1.9.2 Rails 3.0 Beta 4 and find that my app is leaking memory.

This happens for both development and production environment, however happens a lot faster in development.

I do not think this is a specific Rails 3.0 problem because I am also experiencing the same with Rails 2.3.5 and Ruby 1.9.2

So it is probably how Ruby 1.9.2 is interacting with Rails.

I never had such problem with Ruby Enterprise 1.8.6.

There's an excellent presentation on how to tackle Ruby memory leak problems here

As I've written here, one (or even several) blatant memory leaks were fixed in 1.9.3-rc1.