Ruby Memory Leak

How to debug profile ruby.

Ruby memory leak.

Comparing to webrick it eats 100 more resources. The best tool to find leaky gems in your dependencies. Thin web server is actually a big memory consumer it is not thin anymore. Valgrind is an application for detecting c based memory leaks and race conditions.

Audit a project s gemfile lock. If you have any interesting battle stories or tools i have forgotten to mention you would like to share please post a comment. This pass the result to a form. Checks for memory leaks of gems in 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. Reviewing the free memory analysis tools for mri and jruby and mentioning rubinius jonathan wallace. Btw ruby 2 4 1 has a known memory leak so you may want to upgrade if you are using this specific version. Leave a comment below thanks for.

Unlike unmanaged memory leaks tackling managed leaks is very straight forward. Here the memory usage happens. If you are hunting a simple memory leak in ruby i recommend my earlier article from 2015 most of it still holds. Do you have any questions feedback or an interesting memory leak debugging story.

5 debugging memory leaks. December 15 2011. Prints memory leak information. To simply print the current ruby script memory usage in the system you can use this function.

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. Debugging memory leaks in ruby. Debugging memory leaks in ruby jonathan wallace december 15 2011 programming 3 380. The new tooling in ruby 2 1 and up makes debugging these leaks a breeze.

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. Is there an obvious. Now you know what a memory leak looks like hopefully that will help you find one faster if you ever have this issue. A ruby application on rails or not can leak memory either in the ruby code or at the c code level.

A memory leak is defined as memory increasing indefinitely over time. In this section you will learn how to find and fix such leaks by using tool such as valgrind. Make sure memory leaks are not in your gem dependencies.