On: 135M messages a second between processes in Java (...

[atemerev]

Java in HFT environment is wonderfully perverse and beautifully abused in so many ways.

[oppositelock → atemerev]

Yeah, it's amazing how fast it goes when you give it tons of RAM and turn off GC.

[bitmapbrother → oppositelock]

Or you could just use Azul Systems pauseless JVM and not have to worry about the GC ever.