Performance Analysis and Tuning â Part 1 - Red Hat Summit
Performance Analysis and Tuning â Part 1 - Red Hat Summit
Performance Analysis and Tuning â Part 1 - Red Hat Summit
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tuned Profile Comparison Matrixkernel.sched_min_granularity_ns4ms 10ms 10ms 10ms 10msTunable default enterprisestoragevirtualhostvirtualguestlatencyperformancethroughputperformancekernel.sched_wakeup_granularity_ns4ms 15ms 15ms 15ms 15msvm.dirty_ratio 20% RAM 40% 10% 40% 40%vm.dirty_background_ratio10% RAM 5%vm.swappiness 60 10 30I/O Scheduler(Elevator)CFQ deadline deadline deadline deadline deadlineFilesystem Barriers On Off Off OffCPU Governor ondem<strong>and</strong> performance performance performanceDisk Read-ahead4xDisable THPDisable C-StatesYesYeshttps://access.redhat.com/site/solutions/369093