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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So, what's the NUMA problem?●●●The Linux system scheduler is very good atmaintaining responsiveness <strong>and</strong> optimizing for CPUutilizationTries to use idle CPUs, regardless of where processmemory is located.... Using remote memory degradesperformance!●<strong>Red</strong> <strong>Hat</strong> is working with the upstream community to increaseNUMA awareness of the scheduler <strong>and</strong> to implementautomatic NUMA balancing.Remote memory latency matters most for longrunning,significant processes, e.g., HPTC, VMs, etc.
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