TPPS: A New Linux Kernel I/O Scheduler
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The Tiny Parallel Proportion Scheduler (TPPS) is a new I/O scheduler for Linux to appear on the kernel mailing list. Robin Dong explains in his mailing list announcement for this new I/O scheduler to use cgroup on high-speed devices., "We want to use blkio.cgroup on high-speed device (like fusionio) for our mysql clusters. After testing different io-scheduler, we found that cfq is too slow and deadline can't run on cgroup. So we developed a new io-scheduler: tpps (Tiny Parallel Proportion Scheduler).It dispatches requests only by using their individual weight and total weight (proportion) therefore it's simple and efficient."
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