> The other issue would be "taming" the ARC Has anyone considered replacing ARC? It actually has fairly poor hit rates compared to other policies, with very mo

> The other issue would be "taming" the ARC Has anyone considered replacing ARC? It actually has fairly poor hit rates compared to other policies, with very modest improvements over LRU. I also wonder how much ghost entries contribute to space overhead, which is actually trivial to remove (ARC is an adaptive SLRU - so replace ghosts with a sampling hill climber).