ZFS L2ARC [PSARC/2007/618 FastTrack timeout 10/31/2007]

[Matthew Ahrens]

Note, binding for this feature is Patch.

--matt

Matthew Ahrens wrote:
> A. INTRODUCTION
> 
> This case adds capability to ZFS to use storage devices as a level 2 ARC
> (L2ARC), caching read requests that would otherwise be satisfied by disk.
> Random read performance can then be improved by adding fast storage
> devices to the L2ARC, such as short-stroked disks, solid state disks,
> and other media with substantially faster read latency than disk.