Metadata Performance Exploration Part 2: XFS, JFS, ReiserFS, ext2, and Reiser4

More performance: We add five file systems to our previous benchmark results to creating a “uber” article on metadata file system performance. We follow the “good” benchmarking guidelines presented in a previous article and examine the good, the bad and the interesting.

Last week we tested four Linux file systems — ext3, ext4, nilfs2, and btrfs — for metadata performance using a benchmark called fdtree. The point of the benchmarks was not really to comparison the performance of the file systems per say, although comparisons are inevitable. Rather, the benchmarks were performed as part of an exploration into the metadata performance of Linux file systems.

We’re using the same benchmark from the last article and applying it to additional Linux file systems - xfs, jfs, reiserfs, ext2, and resier4. As you are probably aware there are a large number of file systems available in Linux from some fairly old ones such as ext2, to some that are still considered “experimental” in the latest kernel (2.6.30 as of this writing) such as btrfs and nilfs2. But these other file systems, ext2, xfs, jfs, reiserfs are still in production use in a number…

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