Github user ben-manes commented on the issue:
https://github.com/apache/metron/pull/940
Caffeine doesn't allocate on read, so that would make sense. I saw a [25x
boost](https://github.com/google/guava/issues/2063#issuecomment-107169736)
(compared to
[current](https://github.com/google/guava/issues/2063#issue-82444927)) when
porting the buffers to Guava.---
