A Design for High-Performance Flash Disks
Andrew Birrell, Michael Isard, Chuck Thacker and Ted Wobber
Operating Systems Review 41(2): 88-93, April 2007
Abstract
Most commodity flash disks exhibit very poor performance when
presented with writes that are not sequentially ordered. We argue that
performance can be significantly improved through the addition of
sufficient RAM to hold data structures describing a fine-grain mapping
between disk logical blocks and physical flash addresses. We present a
design that accomplishes this.
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