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Finding the Fastest Filesystem, 2011 Edition
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In my previous report about journaling filesystem benchmarking using dbench, I observed that a properly-tuned system using XFS, with the deadline I/O scheduler, beat both Linux’s ext3 and IBM’s JFS. A lot has changed in the three years since I posted that report, so it’s time to do a new round of tests. Many bug fixes, improved kernel lock management, and two new filesystem (btrfs and ext4) bring some new configurations to test.
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