After Tobias Markmann told me that he was running into resource limitations with a Swiften-based tool for testing server load, I decided to do a small experiment myself. I created a small benchmarking tool, and ran it through the memory allocation profiler from Apple’s Instruments. It turned out that the combination of TLS and ZLib compression (aka “squishy data”) was causing a much higher memory usage than I would have expected.

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