[nemesisrobot]

IIRC, LMAX Disruptor[0] uses the same concept with its ring buffer to avoid GC-related slowdown.

[0]: https://github.com/LMAX-Exchange/disruptor

[vitalyd]

While it does avoid GC, it's mostly a faster way to share data between threads than the builtin concurrent collections.

[nemesisrobot]

Yep, that's what Disruptor is for. Here's a blog post by one of the devs giving more details about the ring buffer where she specifically mentions that objects are pooled to avoid the GC http://mechanitis.blogspot.com/2011/06/dissecting-disruptor-...