RubyConf 2019 - Parallel Ruby: Managing the Memory Monster by Kevin Miller

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Published on December 4, 2019 6:41:50 PM ● Video Link: https://www.youtube.com/watch?v=4_yxbh9Enoc

Duration: 26:39

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Parallel Ruby: Managing the Memory Monster by Kevin Miller

At Flexport, we process a lot of data. One sunny day, we decided to switch from a swarm of single-threaded Ruby processes to a wonderful new threadpool. Threads have way less overhead than processes, after all, so we could run far more. Fast forward a couple of hours and everything is on fire. Let’s talk about what went wrong, why it was the Ruby garbage collector's fault, and we did about it.


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