The best tool to find leaky gems in your dependencies.
Ruby memory leak.
Reviewing the free memory analysis tools for mri and jruby and mentioning rubinius jonathan wallace.
Make sure memory leaks are not in your gem dependencies.
There are few tools available however none of them works with native mri ruby 1 9 3p194.
Prints memory leak information.
Checks for memory leaks of gems in gemfile lock.
If you believe your application has a memory leak you can test this out.
How to debug profile ruby.
Comparing to webrick it eats 100 more resources.
Here the memory usage happens.
Audit a project s gemfile lock.
This is a parser that gem some html pages and scrape them but it eat a lot of memory not being garbage collected.
Thin web server is actually a big memory consumer it is not thin anymore.
A ruby application on rails or not can leak memory either in the ruby code or at the c code level.
I hope that next time you are stuck debugging a complex native memory leak you have an easier time.
5 debugging memory leaks.
Now you know what a memory leak looks like hopefully that will help you find one faster if you ever have this issue.
In this section you will learn how to find and fix such leaks by using tool such as valgrind.
A memory leak is defined as memory increasing indefinitely over time.
If you are hunting a simple memory leak in ruby i recommend my earlier article from 2015 most of it still holds.
If you have any interesting battle stories or tools i have forgotten to mention you would like to share please post a comment.
The new tooling in ruby 2 1 and up makes debugging these leaks a breeze.
December 15 2011.
Debugging memory leaks in ruby.
Most applications that have memory problems are defined as having a memory leak however if you let those applications run for a long enough period of time the memory use will level out.
Unlike unmanaged memory leaks tackling managed leaks is very straight forward.
Do you have any questions feedback or an interesting memory leak debugging story.
Valgrind is an application for detecting c based memory leaks and race conditions.
Is there an obvious.
Debugging memory leaks in ruby jonathan wallace december 15 2011 programming 3 380.
Leave a comment below thanks for.
Btw ruby 2 4 1 has a known memory leak so you may want to upgrade if you are using this specific version.
