This demonstrates the best case speedup for parallel MACs, when data change minimally between versions. However, studies of versioning file systems show that data change at a fine granularity [21, 26]. ... Only in the case of a blind write - write without reading - to a block not in cache does the incremental computation of a PMAC result in disk I/O. 3.2 Hierarchies and File Systems Audit trails mustanbsp;...
|Author||:||Bill Yurcik, Larry Brumbaugh, Yuanyuan Zhou|
|Publisher||:||Association for Computing Machinery (ACM) - 2005|