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Linux 5.0 HDD I/O Scheduler Benchmarks - BFQ Takes The Cake

Submitted by Rianne Schestowitz on Wednesday 6th of March 2019 09:22:17 AM Filed under
Graphics/Benchmarks

Recently I published a number of Linux 5.0 I/O scheduler benchmarks on laptop and desktop hardware with solid-state storage. A number of Phoronix readers were interested in seeing similar tests done but with traditional hard drives, so here are those results using two different drives and the different blk-mq I/O scheduler options with the new Linux 5.0 kernel.

Tested off an Ubuntu 18.10 installation after upgrading to the Linux 5.0 kernel were a Western Digital Green WD5000AZRX 500GB hard drive as a conventional SATA 3.0 HDD drive with 64MB cache as well as a Western Digital VelociRaptor WD1500HLHX 150GB drive. The VelociRaptor at 10k RPM has more performance potential out of these SATA 3.0 hard drives albeit with only a 32MB cache compared to 64MB on the WD Green drive being used. With both drives, the following multi-queue I/O schedulers were tested...

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