linux 高并发内核及nginx参数优化配置(高并发生产环境)

置顶

zb313982521

已于 2022-11-15 14:35:22 修改

阅读量319

点赞数

文章标签： linux nginx 服务器

于 2021-07-10 11:00:57 首次发布

本文链接：https://blog.youkuaiyun.com/zb313982521/article/details/118632466

版权

本文详细介绍了如何在Linux系统上进行内核参数调整和Nginx服务器配置，以应对高并发生产环境的需求。内容包括优化内存管理、TCP连接设置、I/O调度算法以及Nginx的worker进程数、连接数限制等方面的策略，旨在提升系统性能和稳定性。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

lsmod |grep conntrack
1
如果 返回 为空，表示没有加载，执行下面命令 重新加载

modprobe ip_conntrack

net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 65535
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_keepalive_time = 30
net.ipv4.ip_local_port_range = 1024 65000
net.nf_conntrack_max = 1000000
net.netfilter.nf_conntrack_max = 10000