{"id":1014,"date":"2018-09-03T13:37:11","date_gmt":"2018-09-03T05:37:11","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=1014"},"modified":"2018-09-03T13:37:11","modified_gmt":"2018-09-03T05:37:11","slug":"nginx%e5%ba%94%e7%94%a8%e6%80%bb%e7%bb%93%ef%bc%882%ef%bc%89-%e7%aa%81%e7%a0%b4%e9%ab%98%e5%b9%b6%e5%8f%91%e7%9a%84%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=1014","title":{"rendered":"nginx\u5e94\u7528\u603b\u7ed3\uff082\uff09–\u7a81\u7834\u9ad8\u5e76\u53d1\u7684\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"\n
\n

\u5728\u65e5\u5e38\u7684\u8fd0\u7ef4\u5de5\u4f5c\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u7528\u5230nginx\u670d\u52a1\uff0c\u4e5f\u65f6\u5e38\u4f1a\u78b0\u5230nginx\u56e0\u9ad8\u5e76\u53d1\u5bfc\u81f4\u7684\u6027\u80fd\u74f6\u9888\u95ee\u9898\u3002\u4eca\u5929\u8fd9\u91cc\u7b80\u5355\u68b3\u7406\u4e0bnginx\u6027\u80fd\u4f18\u5316\u7684\u914d\u7f6e\uff08\u4ec5\u4ec5\u4f9d\u636e\u672c\u4eba\u7684\u5b9e\u6218\u7ecf\u9a8c\u800c\u8ff0\uff0c\u5982\u6709\u4e0d\u59a5\uff0c\u656c\u8bf7\u6307\u51fa~\uff09<\/p>\n

\u4e00\u3001\u8fd9\u91cc\u7684\u4f18\u5316\u4e3b\u8981\u662f\u6307\u5bf9nginx\u7684\u914d\u7f6e\u4f18\u5316\uff0c\u4e00\u822c\u6765\u8bf4nginx\u914d\u7f6e\u6587\u4ef6\u4e2d\u5bf9\u4f18\u5316\u6bd4\u8f83\u6709\u4f5c\u7528\u7684\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u9879\uff1a
1\uff09nginx\u8fdb\u7a0b\u6570\uff0c\u5efa\u8bae\u6309\u7167cpu\u6570\u76ee\u6765\u6307\u5b9a\uff0c\u4e00\u822c\u8ddfcpu\u6838\u6570\u76f8\u540c\u6216\u4e3a\u5b83\u7684\u500d\u6570\u3002
worker_processes 8;
2\uff09\u4e3a\u6bcf\u4e2a\u8fdb\u7a0b\u5206\u914dcpu\uff0c\u4e0a\u4f8b\u4e2d\u5c068\u4e2a\u8fdb\u7a0b\u5206\u914d\u52308\u4e2acpu\uff0c\u5f53\u7136\u53ef\u4ee5\u5199\u591a\u4e2a\uff0c\u6216\u8005\u5c06\u4e00\u4e2a\u8fdb\u7a0b\u5206\u914d\u5230\u591a\u4e2acpu\u3002
worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000;
3\uff09\u4e0b\u9762\u8fd9\u4e2a\u6307\u4ee4\u662f\u6307\u5f53\u4e00\u4e2anginx\u8fdb\u7a0b\u6253\u5f00\u7684\u6700\u591a\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u76ee\uff0c\u7406\u8bba\u503c\u5e94\u8be5\u662f\u7cfb\u7edf\u7684\u6700\u591a\u6253\u5f00\u6587\u4ef6\u6570\uff08ulimit -n\uff09\u4e0enginx\u8fdb\u7a0b\u6570\u76f8\u9664\uff0c\u4f46\u662fnginx\u5206\u914d\u8bf7\u6c42\u5e76\u4e0d\u662f\u90a3\u4e48\u5747\u5300\uff0c\u6240\u4ee5\u6700\u597d\u4e0eulimit -n\u7684\u503c\u4fdd\u6301\u4e00\u81f4\u3002
worker_rlimit_nofile 65535;
4\uff09\u4f7f\u7528epoll\u7684I\/O\u6a21\u578b\uff0c\u7528\u8fd9\u4e2a\u6a21\u578b\u6765\u9ad8\u6548\u5904\u7406\u5f02\u6b65\u4e8b\u4ef6
use epoll;
5\uff09\u6bcf\u4e2a\u8fdb\u7a0b\u5141\u8bb8\u7684\u6700\u591a\u8fde\u63a5\u6570\uff0c\u7406\u8bba\u4e0a\u6bcf\u53f0nginx\u670d\u52a1\u5668\u7684\u6700\u5927\u8fde\u63a5\u6570\u4e3aworker_processes*worker_connections\u3002
worker_connections 65535;
6\uff09http\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\uff0c\u9ed8\u8ba4\u662f60s\uff0c\u529f\u80fd\u662f\u4f7f\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7aef\u7684\u8fde\u63a5\u5728\u8bbe\u5b9a\u7684\u65f6\u95f4\u5185\u6301\u7eed\u6709\u6548\uff0c\u5f53\u51fa\u73b0\u5bf9\u670d\u52a1\u5668\u7684\u540e\u7ee7\u8bf7\u6c42\u65f6\uff0c\u8be5\u529f\u80fd\u907f\u514d\u4e86\u5efa\u7acb\u6216\u8005\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002\u5207\u8bb0\u8fd9\u4e2a\u53c2\u6570\u4e5f\u4e0d\u80fd\u8bbe\u7f6e\u8fc7\u5927\uff01\u5426\u5219\u4f1a\u5bfc\u81f4\u8bb8\u591a\u65e0\u6548\u7684http\u8fde\u63a5\u5360\u636e\u7740nginx\u7684\u8fde\u63a5\u6570\uff0c\u7ec8nginx\u5d29\u6e83\uff01
keepalive_timeout 60;
7\uff09\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u90e8\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u8fd9\u4e2a\u53ef\u4ee5\u6839\u636e\u4f60\u7684\u7cfb\u7edf\u5206\u9875\u5927\u5c0f\u6765\u8bbe\u7f6e\uff0c\u4e00\u822c\u4e00\u4e2a\u8bf7\u6c42\u7684\u5934\u90e8\u5927\u5c0f\u4e0d\u4f1a\u8d85\u8fc71k\uff0c\u4e0d\u8fc7\u7531\u4e8e\u4e00\u822c\u7cfb\u7edf\u5206\u9875\u90fd\u8981\u5927\u4e8e1k\uff0c\u6240\u4ee5\u8fd9\u91cc\u8bbe\u7f6e\u4e3a\u5206\u9875\u5927\u5c0f\u3002\u5206\u9875\u5927\u5c0f\u53ef\u4ee5\u7528\u547d\u4ee4getconf PAGESIZE\u53d6\u5f97\u3002
client_header_buffer_size 4k;
8\uff09\u4e0b\u9762\u8fd9\u4e2a\u53c2\u6570\u5c06\u4e3a\u6253\u5f00\u6587\u4ef6\u6307\u5b9a\u7f13\u5b58\uff0c\u9ed8\u8ba4\u662f\u6ca1\u6709\u542f\u7528\u7684\uff0cmax\u6307\u5b9a\u7f13\u5b58\u6570\u91cf\uff0c\u5efa\u8bae\u548c\u6253\u5f00\u6587\u4ef6\u6570\u4e00\u81f4\uff0cinactive\u662f\u6307\u7ecf\u8fc7\u591a\u957f\u65f6\u95f4\u6587\u4ef6\u6ca1\u88ab\u8bf7\u6c42\u540e\u5220\u9664\u7f13\u5b58\u3002
open_file_cache max=102400 inactive=20s;
9\uff09\u4e0b\u9762\u8fd9\u4e2a\u662f\u6307\u591a\u957f\u65f6\u95f4\u68c0\u67e5\u4e00\u6b21\u7f13\u5b58\u7684\u6709\u6548\u4fe1\u606f\u3002
open_file_cache_valid 30s;
10\uff09open_file_cache\u6307\u4ee4\u4e2d\u7684inactive\u53c2\u6570\u65f6\u95f4\u5185\u6587\u4ef6\u7684\u6700\u5c11\u4f7f\u7528\u6b21\u6570\uff0c\u5982\u679c\u8d85\u8fc7\u8fd9\u4e2a\u6570\u5b57\uff0c\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e00\u76f4\u662f\u5728\u7f13\u5b58\u4e2d\u6253\u5f00\u7684\uff0c\u5982\u4e0a\u4f8b\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u6587\u4ef6\u5728inactive\u65f6\u95f4\u5185\u4e00\u6b21\u6ca1\u88ab\u4f7f\u7528\uff0c\u5b83\u5c06\u88ab\u79fb\u9664\u3002
open_file_cache_min_uses 1;<\/p>\n

11\uff09\u9690\u85cf\u54cd\u5e94\u5934\u4e2d\u7684\u6709\u5173\u64cd\u4f5c\u7cfb\u7edf\u548cweb server\uff08Nginx\uff09\u7248\u672c\u53f7\u7684\u4fe1\u606f\uff0c\u8fd9\u6837\u5bf9\u4e8e\u5b89\u5168\u6027\u662f\u6709\u597d\u5904\u7684\u3002
server_tokens off;
12\uff09\u53ef\u4ee5\u8ba9sendfile()\u53d1\u6325\u4f5c\u7528\u3002sendfile()\u53ef\u4ee5\u5728\u78c1\u76d8\u548cTCP socket\u4e4b\u95f4\u4e92\u76f8\u62f7\u8d1d\u6570\u636e(\u6216\u4efb\u610f\u4e24\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26)\u3002Pre-sendfile\u662f\u4f20\u9001\u6570\u636e\u4e4b\u524d\u5728\u7528\u6237\u7a7a\u95f4\u7533\u8bf7\u6570\u636e\u7f13\u51b2\u533a\u3002\u4e4b\u540e\u7528read()\u5c06\u6570\u636e\u4ece\u6587\u4ef6\u62f7\u8d1d\u5230\u8fd9\u4e2a\u7f13\u51b2\u533a\uff0cwrite()\u5c06\u7f13\u51b2\u533a\u6570\u636e\u5199\u5165\u7f51\u7edc\u3002sendfile()\u662f\u7acb\u5373\u5c06\u6570\u636e\u4ece\u78c1\u76d8\u8bfb\u5230OS\u7f13\u5b58\u3002\u56e0\u4e3a\u8fd9\u79cd\u62f7\u8d1d\u662f\u5728\u5185\u6838\u5b8c\u6210\u7684\uff0csendfile()\u8981\u6bd4\u7ec4\u5408read()\u548cwrite()\u4ee5\u53ca\u6253\u5f00\u5173\u95ed\u4e22\u5f03\u7f13\u51b2\u66f4\u52a0\u6709\u6548(\u66f4\u591a\u6709\u5173\u4e8esendfile)\u3002
sendfile on;
13\uff09\u544a\u8bc9nginx\u5728\u4e00\u4e2a\u6570\u636e\u5305\u91cc\u53d1\u9001\u6240\u6709\u5934\u6587\u4ef6\uff0c\u800c\u4e0d\u4e00\u4e2a\u63a5\u4e00\u4e2a\u7684\u53d1\u9001\u3002\u5c31\u662f\u8bf4\u6570\u636e\u5305\u4e0d\u4f1a\u9a6c\u4e0a\u4f20\u9001\u51fa\u53bb\uff0c\u7b49\u5230\u6570\u636e\u5305\u6700\u5927\u65f6\uff0c\u4e00\u6b21\u6027\u7684\u4f20\u8f93\u51fa\u53bb\uff0c\u8fd9\u6837\u6709\u52a9\u4e8e\u89e3\u51b3\u7f51\u7edc\u5835\u585e\u3002
tcp_nopush on;\u00a0
14\uff09\u544a\u8bc9nginx\u4e0d\u8981\u7f13\u5b58\u6570\u636e\uff0c\u800c\u662f\u4e00\u6bb5\u4e00\u6bb5\u7684\u53d1\u9001–\u5f53\u9700\u8981\u53ca\u65f6\u53d1\u9001\u6570\u636e\u65f6\uff0c\u5c31\u5e94\u8be5\u7ed9\u5e94\u7528\u8bbe\u7f6e\u8fd9\u4e2a\u5c5e\u6027\uff0c\u8fd9\u6837\u53d1\u9001\u4e00\u5c0f\u5757\u6570\u636e\u4fe1\u606f\u65f6\u5c31\u4e0d\u80fd\u7acb\u5373\u5f97\u5230\u8fd4\u56de\u503c\u3002
tcp_nodelay on;
\u6bd4\u5982\uff1a
http {\u00a0
server_tokens off;\u00a0
sendfile on;\u00a0
tcp_nopush on;\u00a0
tcp_nodelay on;\u00a0
……
}\u00a0
15\uff09\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u90e8\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u8fd9\u4e2a\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u5206\u9875\u5927\u5c0f\u6765\u8bbe\u7f6e\uff0c\u4e00\u822c\u4e00\u4e2a\u8bf7\u6c42\u5934\u7684\u5927\u5c0f\u4e0d\u4f1a\u8d85\u8fc71k\uff0c\u4e0d\u8fc7\u7531\u4e8e\u4e00\u822c\u7cfb\u7edf\u5206\u9875\u90fd\u8981\u5927\u4e8e1k\uff0c\u6240\u4ee5\u8fd9\u91cc\u8bbe\u7f6e\u4e3a\u5206\u9875\u5927\u5c0f\u3002\u00a0
client_header_buffer_size 4k;
\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u90e8\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u8fd9\u4e2a\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u5206\u9875\u5927\u5c0f\u6765\u8bbe\u7f6e\uff0c\u4e00\u822c\u4e00\u4e2a\u8bf7\u6c42\u5934\u7684\u5927\u5c0f\u4e0d\u4f1a\u8d85\u8fc71k\uff0c\u4e0d\u8fc7\u7531\u4e8e\u4e00\u822c\u7cfb\u7edf\u5206\u9875\u90fd\u8981\u5927\u4e8e1k\uff0c\u6240\u4ee5\u8fd9\u91cc\u8bbe\u7f6e\u4e3a\u5206\u9875\u5927\u5c0f\u3002\u00a0
\u5206\u9875\u5927\u5c0f\u53ef\u4ee5\u7528\u547d\u4ee4getconf PAGESIZE\u53d6\u5f97\u3002
[root@test-huanqiu ~]# getconf PAGESIZE\u00a0
4096
\u4f46\u4e5f\u6709client_header_buffer_size\u8d85\u8fc74k\u7684\u60c5\u51b5\uff0c\u4f46\u662fclient_header_buffer_size\u8be5\u503c\u5fc5\u987b\u8bbe\u7f6e\u4e3a\u201c\u7cfb\u7edf\u5206\u9875\u5927\u5c0f\u201d\u7684\u6574\u500d\u6570\u3002
16\uff09\u4e3a\u6253\u5f00\u6587\u4ef6\u6307\u5b9a\u7f13\u5b58\uff0c\u9ed8\u8ba4\u662f\u6ca1\u6709\u542f\u7528\u7684\uff0cmax \u6307\u5b9a\u7f13\u5b58\u6570\u91cf\uff0c\u5efa\u8bae\u548c\u6253\u5f00\u6587\u4ef6\u6570\u4e00\u81f4\uff0cinactive \u662f\u6307\u7ecf\u8fc7\u591a\u957f\u65f6\u95f4\u6587\u4ef6\u6ca1\u88ab\u8bf7\u6c42\u540e\u5220\u9664\u7f13\u5b58\u3002
open_file_cache max=65535 inactive=60s;
17\uff09open_file_cache \u6307\u4ee4\u4e2d\u7684inactive \u53c2\u6570\u65f6\u95f4\u5185\u6587\u4ef6\u7684\u6700\u5c11\u4f7f\u7528\u6b21\u6570\uff0c\u5982\u679c\u8d85\u8fc7\u8fd9\u4e2a\u6570\u5b57\uff0c\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e00\u76f4\u662f\u5728\u7f13\u5b58\u4e2d\u6253\u5f00\u7684\uff0c\u5982\u4e0a\u4f8b\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u6587\u4ef6\u5728inactive \u65f6\u95f4\u5185\u4e00\u6b21\u6ca1\u88ab\u4f7f\u7528\uff0c\u5b83\u5c06\u88ab\u79fb\u9664\u3002
open_file_cache_min_uses 1;
18\uff09\u6307\u5b9a\u591a\u957f\u65f6\u95f4\u68c0\u67e5\u4e00\u6b21\u7f13\u5b58\u7684\u6709\u6548\u4fe1\u606f\u3002
open_file_cache_valid 80s;<\/p>\n

—————————————————————-\u00a0
\u4e0b\u9762\u662f\u4e00\u4e2a\u672c\u4eba\u4f7f\u7528\u7684\u7b80\u5355\u7684nginx\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n

\n
\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
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40<\/div>\n
41<\/div>\n
42<\/div>\n
43<\/div>\n
44<\/div>\n
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46<\/div>\n
47<\/div>\n
48<\/div>\n
49<\/div>\n
50<\/div>\n
51<\/div>\n
52<\/div>\n
53<\/div>\n
54<\/div>\n
55<\/div>\n
56<\/div>\n
57<\/div>\n
58<\/div>\n
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60<\/div>\n
61<\/div>\n
62<\/div>\n
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80<\/div>\n
81<\/div>\n
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84<\/div>\n
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86<\/div>\n
87<\/div>\n
88<\/div>\n
89<\/div>\n
90<\/div>\n
91<\/div>\n<\/td>\n
\n
\n
[root@dev-huanqiu ~]<\/code># cat \/usr\/local\/nginx\/conf\/nginx.conf<\/code><\/div>\n
user\u00a0\u00a0 www www;<\/code><\/div>\n
worker_processes 8;<\/code><\/div>\n
worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000;<\/code><\/div>\n
error_log\u00a0\u00a0\u00a0<\/code>\/www\/log\/nginx_error<\/code>.log\u00a0\u00a0 crit;<\/code><\/div>\n
pid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/usr\/local\/nginx\/nginx<\/code>.pid;<\/code><\/div>\n
worker_rlimit_nofile 65535;<\/code><\/div>\n
\u00a0<\/div>\n
events<\/code><\/div>\n
{<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>use epoll;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>worker_connections 65535;<\/code><\/div>\n
}<\/code><\/div>\n
\u00a0<\/div>\n
http<\/code><\/div>\n
{<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>include\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 mime.types;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>default_type\u00a0\u00a0 application<\/code>\/octet-stream<\/code>;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>charset\u00a0\u00a0 utf-8;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>server_names_hash_bucket_size 128;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>client_header_buffer_size 2k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>large_client_header_buffers 4 4k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>client_max_body_size 8m;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>sendfile on;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>tcp_nopush\u00a0\u00a0\u00a0\u00a0 on;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>keepalive_timeout 60;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_path\u00a0<\/code>\/usr\/local\/nginx\/fastcgi_cache<\/code>\u00a0levels=1:2<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>keys_zone=TEST:10m<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>inactive=5m;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_connect_timeout 300;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_send_timeout 300;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_read_timeout 300;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_buffer_size 16k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_buffers 16 16k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_busy_buffers_size 16k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_temp_file_write_size 16k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache TEST;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_valid 200 302 1h;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_valid 301 1d;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_valid any 1m;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_min_uses 1;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>fastcgi_cache_use_stale error timeout invalid_header http_500;\u00a0<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>open_file_cache max=204800 inactive=20s;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>open_file_cache_min_uses 1;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>open_file_cache_valid 30s;\u00a0<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>tcp_nodelay on;<\/code><\/div>\n
\u00a0\u00a0<\/code>\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip<\/code>\u00a0on;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_min_length\u00a0\u00a0 1k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_buffers\u00a0\u00a0\u00a0\u00a0 4 16k;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_http_version 1.0;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_comp_level 2;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_types\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 text<\/code>\/plain<\/code>\u00a0application<\/code>\/x-javascript<\/code>\u00a0text<\/code>\/css<\/code>\u00a0application<\/code>\/xml<\/code>;<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>gzip_vary on;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0<\/code>server<\/code><\/div>\n
\u00a0\u00a0\u00a0<\/code>{<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>listen\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8080;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>server_name\u00a0\u00a0 huan.wangshibo.com;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>index index.php index.htm;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>root\u00a0\u00a0\u00a0<\/code>\/www\/html\/<\/code>;<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>location\u00a0<\/code>\/status<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>stub_status on;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>location ~ .*\\.(php|php5)?$<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>fastcgi_pass 127.0.0.1:9000;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>fastcgi_index index.php;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>include fcgi.conf;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>location ~ .*\\.(gif|jpg|jpeg|png|bmp|swf|js|css)$<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>expires\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 30d;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
\u00a0<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>log_format\u00a0\u00a0 access\u00a0\u00a0\u00a0<\/code>'$remote_addr - $remote_user [$time_local] \"$request\" '<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'$status $body_bytes_sent \"$http_referer\" '<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'\"$http_user_agent\" $http_x_forwarded_for'<\/code>;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>access_log\u00a0\u00a0\u00a0<\/code>\/www\/log\/access<\/code>.log\u00a0\u00a0 access;<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u4e8c\u3001\u5173\u4e8eFastCGI\u7684\u51e0\u4e2a\u6307\u4ee4<\/p>\n

1\uff09\u8fd9\u4e2a\u6307\u4ee4\u4e3aFastCGI\u7f13\u5b58\u6307\u5b9a\u4e00\u4e2a\u8def\u5f84\uff0c\u76ee\u5f55\u7ed3\u6784\u7b49\u7ea7\uff0c\u5173\u952e\u5b57\u533a\u57df\u5b58\u50a8\u65f6\u95f4\u548c\u975e\u6d3b\u52a8\u5220\u9664\u65f6\u95f4\u3002
fastcgi_cache_path \/usr\/local\/nginx\/fastcgi_cache levels=1:2 keys_zone=TEST:10m inactive=5m;
2\uff09\u6307\u5b9a\u8fde\u63a5\u5230\u540e\u7aefFastCGI\u7684\u8d85\u65f6\u65f6\u95f4\u3002
fastcgi_connect_timeout 300;
3\uff09\u5411FastCGI\u4f20\u9001\u8bf7\u6c42\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u8fd9\u4e2a\u503c\u662f\u6307\u5df2\u7ecf\u5b8c\u6210\u4e24\u6b21\u63e1\u624b\u540e\u5411FastCGI\u4f20\u9001\u8bf7\u6c42\u7684\u8d85\u65f6\u65f6\u95f4\u3002
fastcgi_send_timeout 300;
4\uff09\u63a5\u6536FastCGI\u5e94\u7b54\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u8fd9\u4e2a\u503c\u662f\u6307\u5df2\u7ecf\u5b8c\u6210\u4e24\u6b21\u63e1\u624b\u540e\u63a5\u6536FastCGI\u5e94\u7b54\u7684\u8d85\u65f6\u65f6\u95f4\u3002
fastcgi_read_timeout 300;
5\uff09\u6307\u5b9a\u8bfb\u53d6FastCGI\u5e94\u7b54\u7b2c\u4e00\u90e8\u5206 \u9700\u8981\u7528\u591a\u5927\u7684\u7f13\u51b2\u533a\uff0c\u8fd9\u91cc\u53ef\u4ee5\u8bbe\u7f6e\u4e3afastcgi_buffers\u6307\u4ee4\u6307\u5b9a\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u4e0a\u9762\u7684\u6307\u4ee4\u6307\u5b9a\u5b83\u5c06\u4f7f\u75281\u4e2a 16k\u7684\u7f13\u51b2\u533a\u53bb\u8bfb\u53d6\u5e94\u7b54\u7684\u7b2c\u4e00\u90e8\u5206\uff0c\u5373\u5e94\u7b54\u5934\uff0c\u5176\u5b9e\u8fd9\u4e2a\u5e94\u7b54\u5934\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u5f88\u5c0f\uff08\u4e0d\u4f1a\u8d85\u8fc71k\uff09\uff0c\u4f46\u662f\u4f60\u5982\u679c\u5728fastcgi_buffers\u6307\u4ee4\u4e2d\u6307 \u5b9a\u4e86\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u90a3\u4e48\u5b83\u4e5f\u4f1a\u5206\u914d\u4e00\u4e2afastcgi_buffers\u6307\u5b9a\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u53bb\u7f13\u5b58\u3002
fastcgi_buffer_size 16k;
6\uff09\u6307\u5b9a\u672c\u5730\u9700\u8981\u7528\u591a\u5c11\u548c\u591a\u5927\u7684\u7f13\u51b2\u533a\u6765 \u7f13\u51b2FastCGI\u7684\u5e94\u7b54\uff0c\u5982\u4e0a\u6240\u793a\uff0c\u5982\u679c\u4e00\u4e2aphp\u811a\u672c\u6240\u4ea7\u751f\u7684\u9875\u9762\u5927\u5c0f\u4e3a256k\uff0c\u5219\u4f1a\u4e3a\u5176\u5206\u914d16\u4e2a16k\u7684\u7f13\u51b2\u533a\u6765\u7f13\u5b58\uff0c\u5982\u679c\u5927\u4e8e256k\uff0c\u589e\u5927 \u4e8e256k\u7684\u90e8\u5206\u4f1a\u7f13\u5b58\u5230fastcgi_temp\u6307\u5b9a\u7684\u8def\u5f84\u4e2d\uff0c \u5f53\u7136\u8fd9\u5bf9\u670d\u52a1\u5668\u8d1f\u8f7d\u6765\u8bf4\u662f\u4e0d\u660e\u667a\u7684\u65b9\u6848\uff0c\u56e0\u4e3a\u5185\u5b58\u4e2d\u5904\u7406\u6570\u636e\u901f\u5ea6\u8981\u5feb\u4e8e\u786c\u76d8\uff0c\u901a\u5e38\u8fd9\u4e2a\u503c \u7684\u8bbe\u7f6e\u5e94\u8be5\u9009\u62e9\u4e00\u4e2a\u4f60\u7684\u7ad9\u70b9\u4e2d\u7684php\u811a\u672c\u6240\u4ea7\u751f\u7684\u9875\u9762\u5927\u5c0f\u7684\u4e2d\u95f4\u503c\uff0c\u6bd4\u5982\u4f60\u7684\u7ad9\u70b9\u5927\u90e8\u5206\u811a\u672c\u6240\u4ea7\u751f\u7684\u9875\u9762\u5927\u5c0f\u4e3a 256k\u5c31\u53ef\u4ee5\u628a\u8fd9\u4e2a\u503c\u8bbe\u7f6e\u4e3a16 16k\uff0c\u6216\u80054 64k \u6216\u800564 4k\uff0c\u4f46\u5f88\u663e\u7136\uff0c\u540e\u4e24\u79cd\u5e76\u4e0d\u662f\u597d\u7684\u8bbe\u7f6e\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5982\u679c\u4ea7\u751f\u7684\u9875\u9762\u53ea\u670932k\uff0c\u5982\u679c\u75284 64k\u5b83\u4f1a\u5206\u914d1\u4e2a64k\u7684\u7f13\u51b2\u533a\u53bb\u7f13\u5b58\uff0c\u800c\u5982\u679c\u4f7f\u752864 4k\u5b83\u4f1a\u5206\u914d8\u4e2a4k\u7684\u7f13\u51b2\u533a\u53bb\u7f13\u5b58\uff0c\u800c\u5982\u679c\u4f7f\u752816 16k\u5219\u5b83\u4f1a\u5206\u914d2\u4e2a16k\u53bb\u7f13\u5b58\u9875\u9762\uff0c\u8fd9\u6837\u770b\u8d77\u6765\u4f3c\u4e4e\u66f4\u52a0\u5408\u7406\u3002
fastcgi_buffers 16 16k;
7\uff09\u8fd9\u4e2a\u6307\u4ee4\u6211\u4e5f\u4e0d\u77e5\u9053\u662f\u505a\u4ec0\u4e48\u7528\uff0c\u53ea\u77e5\u9053\u9ed8\u8ba4\u503c\u662ffastcgi_buffers\u7684\u4e24\u500d\u3002
fastcgi_busy_buffers_size 32k;
8\uff09\u5728\u5199\u5165fastcgi_temp_path\u65f6\u5c06\u7528\u591a\u5927\u7684\u6570\u636e\u5757\uff0c\u9ed8\u8ba4\u503c\u662ffastcgi_buffers\u7684\u4e24\u500d\u3002
fastcgi_temp_file_write_size 32k;
9\uff09\u5f00\u542fFastCGI\u7f13\u5b58\u5e76\u4e14\u4e3a\u5176\u5236\u5b9a\u4e00\u4e2a\u540d\u79f0\u3002\u4e2a\u4eba\u611f\u89c9\u5f00\u542f\u7f13\u5b58\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4eCPU\u8d1f\u8f7d\uff0c\u5e76\u4e14\u9632\u6b62502\u9519\u8bef\u3002\u4f46\u662f\u8fd9\u4e2a\u7f13\u5b58\u4f1a\u5f15\u8d77\u5f88\u591a\u95ee\u9898\uff0c\u56e0\u4e3a\u5b83\u7f13\u5b58\u7684\u662f\u52a8\u6001\u9875\u9762\u3002\u5177\u4f53\u4f7f\u7528\u8fd8\u9700\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u3002
fastcgi_cache TEST
10\uff09\u4e3a\u6307\u5b9a\u7684\u5e94\u7b54\u4ee3\u7801\u6307\u5b9a\u7f13\u5b58\u65f6\u95f4\uff0c\u5982\u4e0a\u4f8b\u4e2d\u5c06200\uff0c302\u5e94\u7b54\u7f13\u5b58\u4e00\u5c0f\u65f6\uff0c301\u5e94\u7b54\u7f13\u5b581\u5929\uff0c\u5176\u4ed6\u4e3a1\u5206\u949f\u3002
fastcgi_cache_valid 200 302 1h;
fastcgi_cache_valid 301 1d;
fastcgi_cache_valid any 1m;
11\uff09\u7f13\u5b58\u5728fastcgi_cache_path\u6307\u4ee4inactive\u53c2\u6570\u503c\u65f6\u95f4\u5185\u7684\u6700\u5c11\u4f7f\u7528\u6b21\u6570\uff0c\u5982\u4e0a\u4f8b\uff0c\u5982\u679c\u57285\u5206\u949f\u5185\u67d0\u6587\u4ef61\u6b21\u4e5f\u6ca1\u6709\u88ab\u4f7f\u7528\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6587\u4ef6\u5c06\u88ab\u79fb\u9664\u3002
fastcgi_cache_min_uses 1;
12\uff09\u4e0d\u77e5\u9053\u8fd9\u4e2a\u53c2\u6570\u7684\u4f5c\u7528\uff0c\u731c\u60f3\u5e94\u8be5\u662f\u8ba9nginx\u77e5\u9053\u54ea\u4e9b\u7c7b\u578b\u7684\u7f13\u5b58\u662f\u6ca1\u7528\u7684\u3002
fastcgi_cache_use_stale error timeout invalid_header http_500;<\/p>\n

———————————–
\u4ee5\u4e0a\u4e3anginx\u4e2dFastCGI\u76f8\u5173\u53c2\u6570\uff0c
\u53e6\u5916\uff0cFastCGI\u81ea\u8eab\u4e5f\u6709\u4e00\u4e9b\u914d\u7f6e\u9700\u8981\u8fdb\u884c\u4f18\u5316\uff0c\u5982\u679c\u4f60\u4f7f\u7528php-fpm\u6765\u7ba1\u7406FastCGI\uff0c\u53ef\u4ee5\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u503c\uff1a
1\uff09\u540c\u65f6\u5904\u7406\u7684\u5e76\u53d1\u8bf7\u6c42\u6570\uff0c\u5373\u5b83\u5c06\u5f00\u542f\u6700\u591a60\u4e2a\u5b50\u7ebf\u7a0b\u6765\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u3002
<value name=”max_children”>60<\/value>
2\uff09\u6700\u591a\u6253\u5f00\u6587\u4ef6\u6570\u3002
<value name=”rlimit_files”>65535<\/value>
3\uff09\u6bcf\u4e2a\u8fdb\u7a0b\u5728\u91cd\u7f6e\u4e4b\u524d\u80fd\u591f\u6267\u884c\u7684\u6700\u591a\u8bf7\u6c42\u6570\u3002
<value name=”max_requests”>65535<\/value><\/p>\n

\u4e09\u3001\u5173\u4e8e\u5185\u6838\u53c2\u6570\u7684\u4f18\u5316\uff0c\u5728\/etc\/sysctl.conf\u6587\u4ef6\u5185
1\uff09timewait\u7684\u6570\u91cf\uff0c\u9ed8\u8ba4\u662f180000\u3002(Deven:\u56e0\u6b64\u5982\u679c\u60f3\u628atimewait\u964d\u4e0b\u4e86\u5c31\u8981\u628atcp_max_tw_buckets\u503c\u51cf\u5c0f)
net.ipv4.tcp_max_tw_buckets = 6000
2\uff09\u5141\u8bb8\u7cfb\u7edf\u6253\u5f00\u7684\u7aef\u53e3\u8303\u56f4\u3002
net.ipv4.ip_local_port_range = 1024 65000
3\uff09\u542f\u7528TIME-WAIT\u72b6\u6001sockets\u5feb\u901f\u56de\u6536\u529f\u80fd;\u7528\u4e8e\u5feb\u901f\u51cf\u5c11\u5728TIME-WAIT\u72b6\u6001TCP\u8fde\u63a5\u6570\u30021\u8868\u793a\u542f\u7528;0\u8868\u793a\u5173\u95ed\u3002\u4f46\u662f\u8981\u7279\u522b\u7559\u610f\u7684\u662f\uff1a\u8fd9\u4e2a\u9009\u9879\u4e00\u822c\u4e0d\u63a8\u8350\u542f\u7528\uff0c\u56e0\u4e3a\u5728NAT(Network Address Translation)\u7f51\u7edc\u4e0b\uff0c\u4f1a\u5bfc\u81f4\u5927\u91cf\u7684TCP\u8fde\u63a5\u5efa\u7acb\u9519\u8bef\uff0c\u4ece\u800c\u5f15\u8d77\u7f51\u7ad9\u8bbf\u95ee\u6545\u969c\u3002
net.ipv4.tcp_tw_recycle = 0
———————————————————————————————————————————-
\u5b9e\u9645\u4e0a\uff0cnet.ipv4.tcp_tw_recycle\u529f\u80fd\u7684\u5f00\u542f\uff0c\u8981\u9700\u8981net.ipv4.tcp_timestamps\uff08\u4e00\u822c\u7cfb\u7edf\u9ed8\u8ba4\u662f\u5f00\u542f\u8fd9\u4e2a\u529f\u80fd\u7684\uff09\u8fd9\u4e2a\u5f00\u5173\u5f00\u542f\u540e\u624d\u6709\u6548\u679c\uff1b
\u5f53tcp_tw_recycle \u5f00\u542f\u65f6\uff08tcp_timestamps \u540c\u65f6\u5f00\u542f\uff0c\u5feb\u901f\u56de\u6536 socket \u7684\u6548\u679c\u8fbe\u5230\uff09\uff0c\u5bf9\u4e8e\u4f4d\u4e8eNAT\u8bbe\u5907\u540e\u9762\u7684 Client\u6765\u8bf4\uff0c\u662f\u4e00\u573a\u707e\u96be\uff01
\u4f1a\u5bfc\u81f4\u5230NAT\u8bbe\u5907\u540e\u9762\u7684Client\u8fde\u63a5Server\u4e0d\u7a33\u5b9a\uff08\u6709\u7684 Client \u80fd\u8fde\u63a5 server\uff0c\u6709\u7684 Client \u4e0d\u80fd\u8fde\u63a5 server\uff09\u3002
\u4e5f\u5c31\u662f\u8bf4\uff0ctcp_tw_recycle\u8fd9\u4e2a\u529f\u80fd\uff0c\u662f\u4e3a\u5185\u90e8\u7f51\u7edc\uff08\u7f51\u7edc\u73af\u5883\u81ea\u5df1\u53ef\u63a7 \u201d \u2014\u2014\u4e0d\u5b58\u5728NAT \u7684\u60c5\u51b5\uff09\u8bbe\u8ba1\u7684\uff0c\u5bf9\u4e8e\u516c\u7f51\u73af\u5883\u4e0b\uff0c\u4e0d\u5b9c\u4f7f\u7528\u3002
\u901a\u5e38\u6765\u8bf4\uff0c\u56de\u6536TIME_WAIT\u72b6\u6001\u7684socket\u662f\u56e0\u4e3a\u201c\u65e0\u6cd5\u4e3b\u52a8\u8fde\u63a5\u8fdc\u7aef\u201d\uff0c\u56e0\u4e3a\u65e0\u53ef\u7528\u7684\u7aef\u53e3\uff0c\u800c\u4e0d\u5e94\u8be5\u662f\u8981\u56de\u6536\u5185\u5b58\uff08\u6ca1\u6709\u5fc5\u8981\uff09\u3002
\u5373\uff1a\u9700\u6c42\u662fClient\u7684\u9700\u6c42\uff0cServer\u4f1a\u6709\u201c\u7aef\u53e3\u4e0d\u591f\u7528\u201d\u7684\u95ee\u9898\u5417\uff1f
\u9664\u975e\u662f\u524d\u7aef\u673a\uff0c\u9700\u8981\u5927\u91cf\u7684\u8fde\u63a5\u540e\u7aef\u670d\u52a1\uff0c\u4e5f\u5c31\u662f\u5145\u5f53\u7740Client\u7684\u89d2\u8272\u3002<\/p>\n

\u6b63\u786e\u7684\u89e3\u51b3\u8fd9\u4e2a\u603b\u662f\u529e\u6cd5\u5e94\u8be5\u662f\uff1a
net.ipv4.ip_local_port_range = 9000 6553 #\u9ed8\u8ba4\u503c\u8303\u56f4\u8f83\u5c0f
net.ipv4.tcp_max_tw_buckets = 10000 #\u9ed8\u8ba4\u503c\u8f83\u5c0f\uff0c\u8fd8\u53ef\u9002\u5f53\u8c03\u5c0f
net.ipv4.tcp_tw_reuse = 1\u00a0
net.ipv4.tcp_fin_timeout = 10\u00a0
———————————————————————————————————————————-<\/p>\n

4\uff09\u5f00\u542f\u91cd\u7528\u529f\u80fd\uff0c\u5141\u8bb8\u5c06TIME-WAIT\u72b6\u6001\u7684sockets\u91cd\u65b0\u7528\u4e8e\u65b0\u7684TCP\u8fde\u63a5\u3002\u8fd9\u4e2a\u529f\u80fd\u542f\u7528\u662f\u5b89\u5168\u7684\uff0c\u4e00\u822c\u4e0d\u8981\u53bb\u6539\u52a8\uff01
net.ipv4.tcp_tw_reuse = 1
5\uff09\u5f00\u542fSYN Cookies\uff0c\u5f53\u51fa\u73b0SYN\u7b49\u5f85\u961f\u5217\u6ea2\u51fa\u65f6\uff0c\u542f\u7528cookies\u6765\u5904\u7406\u3002
net.ipv4.tcp_syncookies = 1
6\uff09web\u5e94\u7528\u4e2dlisten\u51fd\u6570\u7684backlog\u9ed8\u8ba4\u4f1a\u7ed9\u6211\u4eec\u5185\u6838\u53c2\u6570\u7684net.core.somaxconn\u9650\u5236\u5230128\uff0c\u800cnginx\u5b9a\u4e49\u7684NGX_LISTEN_BACKLOG\u9ed8\u8ba4\u4e3a511\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u8c03\u6574\u8fd9\u4e2a\u503c\u3002
net.core.somaxconn = 262144
7\uff09\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u63a5\u6536\u6570\u636e\u5305\u7684\u901f\u7387\u6bd4\u5185\u6838\u5904\u7406\u8fd9\u4e9b\u5305\u7684\u901f\u7387\u5feb\u65f6\uff0c\u5141\u8bb8\u9001\u5230\u961f\u5217\u7684\u6570\u636e\u5305\u7684\u6700\u5927\u6570\u76ee\u3002
net.core.netdev_max_backlog = 262144
8\uff09\u7cfb\u7edf\u4e2d\u6700\u591a\u6709\u591a\u5c11\u4e2aTCP\u5957\u63a5\u5b57\u4e0d\u88ab\u5173\u8054\u5230\u4efb\u4f55\u4e00\u4e2a\u7528\u6237\u6587\u4ef6\u53e5\u67c4\u4e0a\u3002\u5982\u679c\u8d85\u8fc7\u8fd9\u4e2a\u6570\u5b57\uff0c\u5b64\u513f\u8fde\u63a5\u5c06\u5373\u523b\u88ab\u590d\u4f4d\u5e76\u6253\u5370\u51fa\u8b66\u544a\u4fe1\u606f\u3002\u8fd9\u4e2a\u9650\u5236\u4ec5\u4ec5\u662f\u4e3a\u4e86\u9632\u6b62\u7b80\u5355\u7684DoS\u653b\u51fb\uff0c\u4e0d\u80fd\u8fc7\u5206\u4f9d\u9760\u5b83\u6216\u8005\u4eba\u4e3a\u5730\u51cf\u5c0f\u8fd9\u4e2a\u503c\uff0c\u66f4\u5e94\u8be5\u589e\u52a0\u8fd9\u4e2a\u503c(\u5982\u679c\u589e\u52a0\u4e86\u5185\u5b58\u4e4b\u540e)\u3002
net.ipv4.tcp_max_orphans = 262144
9\uff09\u8bb0\u5f55\u7684\u90a3\u4e9b\u5c1a\u672a\u6536\u5230\u5ba2\u6237\u7aef\u786e\u8ba4\u4fe1\u606f\u7684\u8fde\u63a5\u8bf7\u6c42\u7684\u6700\u5927\u503c\u3002\u5bf9\u4e8e\u6709128M\u5185\u5b58\u7684\u7cfb\u7edf\u800c\u8a00\uff0c\u7f3a\u7701\u503c\u662f1024\uff0c\u5c0f\u5185\u5b58\u7684\u7cfb\u7edf\u5219\u662f128\u3002
net.ipv4.tcp_max_syn_backlog = 262144
10\uff09\u65f6\u95f4\u6233\u53ef\u4ee5\u907f\u514d\u5e8f\u5217\u53f7\u7684\u5377\u7ed5\u3002\u4e00\u4e2a1Gbps\u7684\u94fe\u8def\u80af\u5b9a\u4f1a\u9047\u5230\u4ee5\u524d\u7528\u8fc7\u7684\u5e8f\u5217\u53f7\u3002\u65f6\u95f4\u6233\u80fd\u591f\u8ba9\u5185\u6838\u63a5\u53d7\u8fd9\u79cd\u201c\u5f02\u5e38\u201d\u7684\u6570\u636e\u5305\u3002
net.ipv4.tcp_timestamps = 1
——————————————————————————————————————————————————-
\u6709\u4e0d\u5c11\u670d\u52a1\u5668\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5f00\u542fnet.ipv4.tcp_tw_recycle\u9009\u9879\uff0c\u5728NAT\u7f51\u7edc\u73af\u5883\u4e0b\uff0c\u5bb9\u6613\u5bfc\u81f4\u7f51\u7ad9\u8bbf\u95ee\u51fa\u73b0\u4e86\u4e00\u4e9bconnect\u5931\u8d25\u7684\u95ee\u9898
\u4e2a\u4eba\u5efa\u8bae\uff1a
\u5173\u95ednet.ipv4.tcp_tw_recycle\u9009\u9879\uff0c\u800c\u4e0d\u662fnet.ipv4.tcp_timestamps\uff1b
\u56e0\u4e3a\u5728net.ipv4.tcp_timestamps\u5173\u95ed\u7684\u6761\u4ef6\u4e0b\uff0c\u5f00\u542fnet.ipv4.tcp_tw_recycle\u662f\u4e0d\u8d77\u4f5c\u7528\u7684\uff1b\u800cnet.ipv4.tcp_timestamps\u53ef\u4ee5\u72ec\u7acb\u5f00\u542f\u5e76\u8d77\u4f5c\u7528\u3002
——————————————————————————————————————————————————-
11\uff09\u4e3a\u4e86\u6253\u5f00\u5bf9\u7aef\u7684\u8fde\u63a5\uff0c\u5185\u6838\u9700\u8981\u53d1\u9001\u4e00\u4e2aSYN\u5e76\u9644\u5e26\u4e00\u4e2a\u56de\u5e94\u524d\u9762\u4e00\u4e2aSYN\u7684ACK\u3002\u4e5f\u5c31\u662f\u6240\u8c13\u4e09\u6b21\u63e1\u624b\u4e2d\u7684\u7b2c\u4e8c\u6b21\u63e1\u624b\u3002\u8fd9\u4e2a\u8bbe\u7f6e\u51b3\u5b9a\u4e86\u5185\u6838\u653e\u5f03\u8fde\u63a5\u4e4b\u524d\u53d1\u9001SYN+ACK\u5305\u7684\u6570\u91cf\u3002
net.ipv4.tcp_synack_retries = 1
12\uff09\u5728\u5185\u6838\u653e\u5f03\u5efa\u7acb\u8fde\u63a5\u4e4b\u524d\u53d1\u9001SYN\u5305\u7684\u6570\u91cf\u3002
net.ipv4.tcp_syn_retries = 1
13\uff09\u5982\u679c\u5957\u63a5\u5b57\u7531\u672c\u7aef\u8981\u6c42\u5173\u95ed\uff0c\u8fd9\u4e2a\u53c2\u6570 \u51b3\u5b9a\u4e86\u5b83\u4fdd\u6301\u5728FIN-WAIT-2\u72b6\u6001\u7684\u65f6\u95f4\u3002\u5bf9\u7aef\u53ef\u4ee5\u51fa\u9519\u5e76\u6c38\u8fdc\u4e0d\u5173\u95ed\u8fde\u63a5\uff0c\u751a\u81f3\u610f\u5916\u5f53\u673a\u3002\u7f3a\u7701\u503c\u662f60\u79d2\u30022.2 \u5185\u6838\u7684\u901a\u5e38\u503c\u662f180\u79d2\uff0c\u4f60\u53ef\u4ee5\u6309\u8fd9\u4e2a\u8bbe\u7f6e\uff0c\u4f46\u8981\u8bb0\u4f4f\u7684\u662f\uff0c\u5373\u4f7f\u4f60\u7684\u673a\u5668\u662f\u4e00\u4e2a\u8f7b\u8f7d\u7684WEB\u670d\u52a1\u5668\uff0c\u4e5f\u6709\u56e0\u4e3a\u5927\u91cf\u7684\u6b7b\u5957\u63a5\u5b57\u800c\u5185\u5b58\u6ea2\u51fa\u7684\u98ce\u9669\uff0cFIN- WAIT-2\u7684\u5371\u9669\u6027\u6bd4FIN-WAIT-1\u8981\u5c0f\uff0c\u56e0\u4e3a\u5b83\u6700\u591a\u53ea\u80fd\u5403\u63891.5K\u5185\u5b58\uff0c\u4f46\u662f\u5b83\u4eec\u7684\u751f\u5b58\u671f\u957f\u4e9b\u3002
net.ipv4.tcp_fin_timeout = 30
14\uff09\u5f53keepalive\u8d77\u7528\u7684\u65f6\u5019\uff0cTCP\u53d1\u9001keepalive\u6d88\u606f\u7684\u9891\u5ea6\u3002\u7f3a\u7701\u662f2\u5c0f\u65f6\u3002
net.ipv4.tcp_keepalive_time = 30<\/p>\n

———————————————————————-
\u4e0b\u9762\u8d34\u51fa\u4e00\u4e2a\u672c\u4eba\u5e38\u7528\u7684\u5185\u6838\u53c2\u6570\u7684\u6807\u51c6\u914d\u7f6e
[root@dev-huanqiu ~]# cat \/etc\/sysctl.conf
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 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/\u8fd9\u56db\u884c\u6807\u7ea2\u5185\u5bb9\uff0c\u4e00\u822c\u662f\u53d1\u73b0\u5927\u91cfTIME_WAIT\u65f6\u7684\u89e3\u51b3\u529e\u6cd5
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 = 262144
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_timestamps = 1 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/\u5728net.ipv4.tcp_tw_recycle\u8bbe\u7f6e\u4e3a1\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u9009\u62e9\u6700\u597d\u52a0\u4e0a
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/\u5f00\u542f\u6b64\u529f\u80fd\u53ef\u4ee5\u51cf\u5c11TIME-WAIT\u72b6\u6001\uff0c\u4f46\u662fNAT\u7f51\u7edc\u6a21\u5f0f\u4e0b\u6253\u5f00\u6709\u53ef\u80fd\u4f1a\u5bfc\u81f4tcp\u8fde\u63a5\u9519\u8bef\uff0c\u614e\u91cd\u3002
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 30
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.ip_conntrack_max = 6553500<\/p>\n

————————————-\u8bb0\u4e00\u6b21\u5c0f\u4e8b\u6545—————————————————-
net.ipv4.tcp_tw_recycle = 1 \u8fd9\u4e2a\u529f\u80fd\u6253\u5f00\u540e\uff0c\u786e\u5b9e\u80fd\u51cf\u5c11TIME-WAIT\u72b6\u6001\uff0c\u4e60\u60ef\u4e0a\u6211\u90fd\u4f1a\u5c06\u8fd9\u4e2a\u53c2\u6570\u6253\u5f00\u3002
\u4f46\u662f\u4e5f\u56e0\u4e3a\u8fd9\u4e2a\u53c2\u6570\u8e29\u8fc7\u4e00\u6b21\u5751\uff1a
\u516c\u53f8\u7684\u4e00\u4e2a\u53d1\u5e03\u65b0\u95fb\u7684CMS\u540e\u53f0\u7cfb\u7edf\uff0c\u91c7\u7528haproxy+keepalived\u4ee3\u7406\u67b6\u6784\uff0c\u540e\u7aef\u7684real server\u670d\u52a1\u5668\u5916\u7f51ip\u5168\u90e8\u62ff\u6389\u3002
\u73b0\u8c61\uff1a\u5728\u67d0\u4e00\u5929\u65e9\u4e0a\u53d1\u6587\u9ad8\u5cf0\u671f\uff0cCMS\u540e\u53f0\u51fa\u73b0\u8bbf\u95ee\u6545\u969c\uff0c\u91cd\u542fphp\u670d\u52a1\u540e\u4f1a\u7acb\u523b\u89c1\u6548\uff0c\u4f46\u6301\u7eed\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u8bbf\u95ee\u5c31\u53c8\u51fa\u73b0\u6545\u969c\u3002
\u6392\u67e5nginx\u548cphp\u65e5\u5fd7\u4e5f\u6ca1\u6709\u53d1\u73b0\u4ec0\u4e48\uff0c\u540e\u6765google\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u5c31\u662fnet.ipv4.tcp_tw_recycle\u8fd9\u4e2a\u53c2\u6570\u6363\u7684\u9b3c\uff01
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\u6700\u540e\u5c06net.ipv4.tcp_tw_recycle\u8bbe\u7f6e\u4e3a0\uff0c\u5173\u95ed\u8fd9\u4e2a\u529f\u80fd\u540e\uff0c\u540e\u53f0\u8bbf\u95ee\u5373\u523b\u6062\u590d\u6b63\u5e38
—————————————————————————————————–<\/p>\n

——————————-Nginx\u5b89\u5168\u914d\u7f6e\u5c0f\u63d0\u793a————————————<\/strong>
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\n
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\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
13<\/div>\n
14<\/div>\n
15<\/div>\n
16<\/div>\n
17<\/div>\n
18<\/div>\n
19<\/div>\n
20<\/div>\n
21<\/div>\n
22<\/div>\n
23<\/div>\n<\/td>\n
\n
\n
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\u00a0<\/div>\n
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\u00a0<\/div>\n
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client_body_buffer_size\u00a0 1K;<\/code><\/div>\n
client_header_buffer_size 1k;<\/code><\/div>\n
client_max_body_size 1k;<\/code><\/div>\n
large_client_header_buffers 2 1k;<\/code><\/div>\n
\u00a0<\/div>\n
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client_body_timeout\u00a0\u00a0 10;<\/code><\/div>\n
client_header_timeout 10;<\/code><\/div>\n
keepalive_timeout\u00a0\u00a0\u00a0\u00a0 65;<\/code><\/div>\n
send_timeout\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10;<\/code><\/div>\n
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limit_zone slimits $binary_remote_addr 5m;<\/code><\/div>\n
limit_conn slimits 5;<\/code><\/div>\n
\u00a0<\/div>\n
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