Ruby Memory Leak

Btw ruby 2 4 1 has a known memory leak so you may want to upgrade if you are using this specific version.

Ruby memory leak.

The new tooling in ruby 2 1 and up makes debugging these leaks a breeze. If you are hunting a simple memory leak in ruby i recommend my earlier article from 2015 most of it still holds. A memory leak is defined as memory increasing indefinitely over time. If you have any interesting battle stories or tools i have forgotten to mention you would like to share please post a comment.

Comparing to webrick it eats 100 more resources. 5 debugging memory leaks. Checks for memory leaks of gems in gemfile lock. Is there an obvious.

Leave a comment below thanks for. A ruby application on rails or not can leak memory either in the ruby code or at the c code level. 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. Make sure memory leaks are not in your gem dependencies.

The best tool to find leaky gems in your dependencies. If you believe your application has a memory leak you can test this out. Thin web server is actually a big memory consumer it is not thin anymore. How to debug profile ruby.

Debugging memory leaks in ruby. I hope that next time you are stuck debugging a complex native memory leak you have an easier time. Prints memory leak information. Valgrind is an application for detecting c based memory leaks and race conditions.

This pass the result to a form. 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. Debugging memory leaks in ruby jonathan wallace december 15 2011 programming 3 380.

This is a parser that gem some html pages and scrape them but it eat a lot of memory not being garbage collected. Here the memory usage happens. Audit a project s gemfile lock. Do you have any questions feedback or an interesting memory leak debugging story.

Unlike unmanaged memory leaks tackling managed leaks is very straight forward. To simply print the current ruby script memory usage in the system you can use this function. Prior to ruby 2 1 the best we could do was crawl our object space grab a snapshot wait a bit grab a second snapshot and compare.