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Tag Archives: xfs
On file system benchmarks
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
Posted in mysql
Tagged benchmarks, io, performance, rant, xfs
On XFS write barriers
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
Posted in mysql
Tagged io, performance, xfs
Notes from land of I/O
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