OS + CentOS kernel parameter

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操作系统内核参数,参考

采集时间 参数名 参数值
2019-05-22 15:25:11.0 fs.nr_open 1048576
2019-05-22 15:25:11.0 fs.file-max 793582
2019-05-22 15:25:11.0 vm.swappiness 60
2019-05-22 15:25:11.0 net.ipv4.tcp_tw_recycle 1
2019-05-22 15:25:11.0 net.ipv4.tcp_tw_reuse 1
2019-05-22 15:25:11.0 net.ipv4.tcp_timestamps 0
2019-05-22 15:25:11.0 net.ipv4.ip_local_port_range 5000 65000
2019-05-22 15:25:11.0 net.core.netdev_max_backlog 3000
2019-05-22 15:25:11.0 net.core.somaxconn 128
2019-05-22 15:25:11.0 net.core.rmem_max 16777216
2019-05-22 15:25:11.0 net.core.wmem_max 16777216
2019-05-22 15:25:11.0 net.ipv4.tcp_max_syn_backlog 8192
2019-05-22 15:25:11.0 net.ipv4.tcp_max_tw_buckets 262144
2019-05-22 15:25:11.0 net.ipv4.tcp_no_metrics_save 0
2019-05-22 15:25:11.0 net.ipv4.tcp_syn_retries 5
2019-05-22 15:25:11.0 net.ipv4.tcp_synack_retries 5
2019-05-22 15:25:11.0 net.ipv4.tcp_mem 753696 1004928 1507392
2019-05-22 15:25:11.0 net.ipv4.tcp_rmem 4096 87380 16777216
2019-05-22 15:25:11.0 net.ipv4.tcp_wmem 4096 65536 16777216
2019-05-22 15:25:11.0 net.ipv4.tcp_tw_timeout 60
2019-05-22 15:25:11.0 net.ipv4.tcp_keepalive_time 300
2019-05-22 15:25:11.0 net.ipv4.tcp_keepalive_probes 9
2019-05-22 15:25:11.0 net.ipv4.tcp_keepalive_intvl 75

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原文地址:https://www.cnblogs.com/lindows/p/11759270.html