Hadoop 与 OS

OS and File Systemhttps://www.cnblogs.com/mmaa/p/5789929.html字节优化建议#TCP 缓冲区优化sysctl-w net.core.rmem_max16777216sysctl-w net.core.wmem_max16777216sysctl-w net.ipv4.tcp_rmem4096 131072 16777216sysctl-w net.ipv4.tcp_wmem4096 65536 16777216sysctl-w net.core.netdev_max_backlog50000sysctl-w net.ipv4.tcp_congestion_controlbbr sysctl-w net.ipv4.tcp_slow_start_after_idle0sysctl-w net.core.somaxconn32768# 中断合并RXTX同时设置64usfornic in enp49s0f0 enp49s0f1 enp201s0f0 enp201s0f1;doethtool-C $nic rx-usecs64tx-usecs64adaptive-rx off adaptive-tx off done