3 Answers

Justin Sheehy I think that both ZFS and Postgres have variants of ARC that are believed to be non-infringing. justinsheehy (0) - 3 years, 2 months ago via Twitter - Add Comment
Neil Conway AFAIK, yes, still potentially a risk. In our experiments (Postgres), ARC is only a marginal win over other techniques neil_conway (0) - 3 years, 2 months ago via Twitter - Add Comment
Neil Conway Plus it requires a global lock over the buffer pool, so a modified clock-based scheme was actually more scalable neil_conway (0) - 3 years, 2 months ago via Twitter - Add Comment

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