Tag Archives: xfs

On file system benchmarks

Posted on June 30, 2009 by Domas Mituzas

I see this benchmark being quoted in multiple places, and there I see stuff like: When carrying out more database benchmarking, but this time with PostgreSQL, XFS and Btrfs were too slow to even complete this test, even when it … Continue reading →

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On XFS write barriers

Posted on November 3, 2008 by Domas Mituzas

I’m very naive, when I have to trust software. I just can’t believe a filesystem may have a tunable that makes it 20x faster (or rather, doesn’t make it 20x slower). I expect it to work out of the box. … Continue reading →

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Notes from land of I/O

Posted on August 11, 2008 by Domas Mituzas

A discussion on IRC sparkled some interest on how various I/O things work in Linux. I wrote small microbenchmarking program (where all configuration is in source file, and I/O modes can be changed by editing various places in code ;-), … Continue reading →

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