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Ops Development Stories

Jul 15, 2021 · Operations

Mastering NUMA and Hyper-Threading: Boost CPU Cache Hits and Reduce Latency

This article explains NUMA architecture with hyper‑threading, details CPU cache hierarchies and access latencies, and provides Linux tools and practical optimization techniques to improve cache‑hit rates and minimize cross‑NUMA memory delays.

CPU cacheLinuxNUMA

0 likes · 9 min read

Mastering NUMA and Hyper-Threading: Boost CPU Cache Hits and Reduce Latency

Ops Development Stories

Jul 14, 2021 · Operations

Mastering NUMA on Linux: Optimize Memory Allocation with numactl

This guide explains NUMA memory hierarchy, shows how to install and use the numactl command, interprets hardware and NUMA statistics, and presents memory allocation strategies to improve performance on multi‑node Linux systems.

LinuxNUMAPerformance Tuning

0 likes · 9 min read

Mastering NUMA on Linux: Optimize Memory Allocation with numactl

Refining Core Development Skills

Dec 17, 2019 · Databases

Investigating the NUMA Trap with a Large Redis Instance on a Dual‑Node Server

This article documents a hands‑on experiment that allocates a 50 GB Redis instance on a 64 GB dual‑node machine, explores NUMA behavior, demonstrates how memory affinity can trigger swap, and concludes with practical recommendations for Redis memory sizing and NUMA binding.

LinuxNUMAPerformance

0 likes · 9 min read

Investigating the NUMA Trap with a Large Redis Instance on a Dual‑Node Server