How Facebook engineers conquer elusive app memory leaks

Programmers needing a break from marathon debugging sessions may want to peruse a blog post from two Facebook software engineers, who offer tips and war stories about rooting out elusive memory errors in the social network’s iOS app.

Memory errors can be a special nuisance for developers, given how hard they are to debug. If you’ve ever had the Facebook app, or any other running app, just stop running and disappear, it is very likely because of a memory error.

“With some tooling, migration to the newest iOS technologies, and a bit of cleverness to measure the problem in the first place, we were able to make our app more reliable,” wrote Ali Ansari and Greg Pstrucha, in a new post on the Facebook Engineering Blog.

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