优化 Linux 内核参数
来源:互联网 发布:佳能打印机软件下载 编辑:程序博客网 时间:2024/06/05 03:02
vim /etc/sysctl.conf
# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls IP packet forwarding
net.ipv4.ip_forward = 0
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queue
kernel.msgmnb = 65536
# Controls the maximum size of a message, in bytes
kernel.msgmax = 65536
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
# Add
net.ipv4.tcp_max_syn_backlog = 65536
net.core.netdev_max_backlog = 32768
net.core.somaxconn = 32768
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2
net.ipv4.tcp_tw_recycle = 1
#net.ipv4.tcp_tw_len = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_max_orphans = 3276800
#net.ipv4.tcp_fin_timeout = 30
#net.ipv4.tcp_keepalive_time = 120
net.ipv4.ip_local_port_range = 1024 65535
配置立即生效
/sbin/sysctl -p
0 0
- 优化Linux内核参数
- linux 内核参数优化
- Linux内核参数优化
- 优化linux内核参数
- linux 内核参数优化
- linux内核参数优化
- 优化 Linux 内核参数
- linux 内核参数优化
- linux 内核参数优化
- Linux内核参数优化
- 【转】优化Linux内核参数
- Linux内核参数的优化
- Linux操作系统内核参数优化
- linux 内核参数优化 【转】
- linux内核优化,内核参数详解
- [Linux] Linux之TCPIP内核参数优化
- Linux 下 Oracle 内核参数优化
- Linux 内核参数优化(for oracle)
- nginx 依赖包
- Python基础——异常
- python学习记录-- 数据结构----栈
- jenkins和linux环境配置遇到的几个注意点 && linux命令行下载历史android sdk
- Android LayoutInflater inflate方法效率
- 优化 Linux 内核参数
- 安装nodejs相关
- android_68_vitamio_videoView
- upstream 模块
- 蓝桥杯练习系统基础练习——01字符串
- 【深入剖析Tomcat笔记】第二篇 ServerSocket模型
- 漫步数学分析番外二(上)
- 查看源码 throw new RuntimeException("Stub!") 教你使用AndroidStudio关联源代码
- nginx 403 forbidden