48 lines
1.7 KiB
Markdown
48 lines
1.7 KiB
Markdown
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# 进程数
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Nginx 有 master 和 worker 两种进程，master 进程用于管理 worker 进程，worker 进程用于 Nginx 服务。
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```sh
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grep -c processor /proc/cpuinfo # 查看cpu核数
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```
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根据CPU核数设置worker_processes
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```
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worker_processes 4;
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```
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# 绑定 Nginx 进程到不同的 CPU 上
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```
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worker_processes 2; # 2核CPU的配置
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worker_cpu_affinity 01 10;
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worker_processes 4; # 4核CPU的配置
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worker_cpu_affinity 0001 0010 0100 1000;
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worker_processes 8; # 8核CPU的配置
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worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 1000000;
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```
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# 开启高效文件传输模式
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```
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http {
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include mime.types;
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default_type application/octet-stream;
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sendfile on; # 开启文件的高效传输模式
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tcp_nopush on; # 激活 TCP_CORK socket 选择
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tcp_nodelay on; # 数据在传输的过程中不进缓存
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}
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```
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# gzip
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```
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http {
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gzip on; # 开启压缩功能
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gzip_min_length 1k; # 允许压缩的对象的最小字节
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gzip_buffers 4 32k; # 压缩缓冲区大小，表示申请4个单位为32k的内存作为压缩结果的缓存
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gzip_http_version 1.1; # 压缩版本，用于设置识别HTTP协议版本
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gzip_comp_level 9; # 压缩级别，1级压缩比最小但处理速度最快，9级压缩比最高但处理速度最慢
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gzip_types text/plain application/x-javascript text/css application/xml; # 允许压缩的媒体类型
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gzip_vary on; # 该选项可以让前端的缓存服务器缓存经过gzip压缩的页面，例如用代理服务器缓存经过Nginx压缩的数据
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}
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```
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