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by canterburry 3650 days ago
I found this YouTube presentation very informative about how an HF firm uses Java for live trading...

Just one awesome fact...they structured their code such that they only have one GC event a day (and it's tuned to happen at night). Watch it, pretty cool compared to anyone doing plain vanilla java dev at an enterprise.

https://www.youtube.com/watch?v=iINk7x44MmM