Ruby Memory Leak

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.

Ruby memory leak.

Make sure memory leaks are not in your gem dependencies. To simply print the current ruby script memory usage in the system you can use this function. Do you have any questions feedback or an interesting memory leak debugging story. December 15 2011.

I hope that next time you are stuck debugging a complex native memory leak you have an easier time. Thin web server is actually a big memory consumer it is not thin anymore. Prints memory leak information. Reviewing the free memory analysis tools for mri and jruby and mentioning rubinius jonathan wallace.

The new tooling in ruby 2 1 and up makes debugging these leaks a breeze. A memory leak is defined as memory increasing indefinitely over time. Leave a comment below thanks for. 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.

Here the memory usage happens. Is there an obvious. A ruby application on rails or not can leak memory either in the ruby code or at the c code level. Debugging memory leaks in ruby.

Debugging memory leaks in ruby jonathan wallace december 15 2011 programming 3 380. The best tool to find leaky gems in your dependencies. How to debug profile ruby. 5 debugging memory leaks.

Unlike unmanaged memory leaks tackling managed leaks is very straight forward. Btw ruby 2 4 1 has a known memory leak so you may want to upgrade if you are using this specific version. If you have any interesting battle stories or tools i have forgotten to mention you would like to share please post a comment. If you believe your application has a memory leak you can test this out.

There are few tools available however none of them works with native mri ruby 1 9 3p194. This is a parser that gem some html pages and scrape them but it eat a lot of memory not being garbage collected. Audit a project s gemfile lock. Checks for memory leaks of gems in gemfile lock.

This pass the result to a form. Valgrind is an application for detecting c based memory leaks and race conditions. Now you know what a memory leak looks like hopefully that will help you find one faster if you ever have this issue.