Ruby Memory Leak

The best tool to find leaky gems in your dependencies.

Ruby memory leak. This pass the result to a form. Audit a project s gemfile lock. Leave a comment below thanks for. The new tooling in ruby 2 1 and up makes debugging these leaks a breeze.

December 15 2011. Here the memory usage happens. Debugging memory leaks in ruby. Is there an obvious.

Unlike unmanaged memory leaks tackling managed leaks is very straight forward. Comparing to webrick it eats 100 more resources. To simply print the current ruby script memory usage in the system you can use this function. 5 debugging memory leaks.

If you believe your application has a memory leak you can test this out. 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. This is a parser that gem some html pages and scrape them but it eat a lot of memory not being garbage collected. Debugging memory leaks in ruby jonathan wallace december 15 2011 programming 3 380.

Thin web server is actually a big memory consumer it is not thin anymore. Checks for memory leaks of gems in gemfile lock. There are few tools available however none of them works with native mri ruby 1 9 3p194. In this section you will learn how to find and fix such leaks by using tool such as valgrind.

A ruby application on rails or not can leak memory either in the ruby code or at the c code level. Now you know what a memory leak looks like hopefully that will help you find one faster if you ever have this issue. I hope that next time you are stuck debugging a complex native memory leak you have an easier time. Make sure memory leaks are not in your gem dependencies.

Reviewing the free memory analysis tools for mri and jruby and mentioning rubinius jonathan wallace. Valgrind is an application for detecting c based memory leaks and race conditions. Prints memory leak information. 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. Btw ruby 2 4 1 has a known memory leak so you may want to upgrade if you are using this specific version. Do you have any questions feedback or an interesting memory leak debugging story.