Advanced Operating Systems   COMP9242 2002/S2

UNSW

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LFS Performance: Comparison with FFS Seltzer et al[SSB$^+$95]: Compared Seltzer's BSD implementation of LFS to BSD-FFS without clustering, with clustering. Also compared to Ousterhout's Sprite implementation of LFS (for calibration). Used a range of benchmarks testing performance under different scenarios. Small file microbenchmarks Large file microbenchmarks Throughput benchmarks CreateRead Throughput benchmarks OverwriteDelete Transaction processing (TPC-B benchmark) Random read-update-record, using logging to separate disk.