With an IOzone write test, CFQ continued doing the best overall for the HDD and SSD systems.
The Threaded I/O Tester results were scattered while the CFQ scheduler tended to produce the sanest results overall.
For most workloads, the Completely Fair Queuing (CFQ) scheduler tended to be the best Linux I/O scheduler overall for these HDD and SSD systems. It is for the higher-end SSDs on PCI-E where the default I/O scheduler will change, but this article is primarily about delivering some Linux desktop scheduler results. Hardware permitting, in another article will be the workstation/server-focused scheduler results.
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