Linkedin的分享optimizing linux memory management for low Latency & high Throughput databases

May 21, 2014 | 0 Minute Read

Optimizing Linux Memory Management for Low-latency / High-throughput Databases http://engineering.linkedin.com/performance/optimizing-linux-memory-management-low-latency-high-throughput-databases ' 禁用内核里面zone reclaim ，可以获得巨大的性能提升 Linux's NUMA optimizations can be effectively disabled by doing the following: Turn zone reclaim mode off: add vm.zone_reclaim_mode = 0 to /etc/sysctl.conf and runsysctl -p to load the new settings. Enable NUMA interleaving for your application: run with numactl --interleave=all COMMAND These are now the defaults on all our production systems.