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Tag Archives: gdb

Aug
23
2010

Debugging memory leaks in Ruby with GDB, round 2.

In part 1, I described how I located leaky Sets in MongoMapper by diffing the Ruby ObjectSpace with GDB. Today, I’m going to show you how to solve the problems that those sorts of diffs can reveal. In today’s example, we’re tracking leaky sets. In particular, a set is holding onto class references. We are [...]

By Chris Heald | Posted in MongoDB, Performance, Ruby | Also tagged | Comments (0)
Aug
23
2010

MongoMapper, Development Mode, and Memory Leaks

If you’ve worked with MongoMapper for a while, you’ve probably noticed that in complex apps, there are horrific memory leaks in development that magically disappear in production mode. While this is all well and good, and it’s rather handy that things Just Work in production, don’t you wish you didn’t have to restart your app [...]

By Chris Heald | Posted in MongoDB, Performance, Ruby | Also tagged , , , | Comments (2)