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Windows+tomcat+Nginx集群

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1.软件准备

下载Nginx和Tomcat

Nginx：http://nginx.org/en/download.html 
Tomcat：下载就不说了，这里使用apache-tomcat-7.0.42版本

解压到一个目录

2.修改Tomcat的端口

Tomcat1：修改Server.xml

D:\nginx_cluster\apache-tomcat-6.0.14_1\conf\server.xml
共修改3处内容：将以下端口都加1

  1. <!--第1处-->
  2. <Server port="18005" shutdown="SHUTDOWN">
  3. <!--第2处-->
  4. <Connector port="18080" protocol="HTTP/1.1"
  5.                connectionTimeout="20000"
  6.                redirectPort="8443" />
  7. <!--第3处-->
  8. <Connector port="18009" protocol="AJP/1.3" redirectPort="8443" />

Tomcat2：修改Server.xml

D:\nginx_cluster\apache-tomcat-6.0.14_2\conf\server.xml
共修改3处内容：将以下端口都加2

  1. <!--第1处-->
  2. <Server port="28005" shutdown="SHUTDOWN">
  3. <!--第2处-->
  4. <Connector port="28080" protocol="HTTP/1.1"
  5.                connectionTimeout="20000"
  6.                redirectPort="8443" />
  7. <!--第3处-->
  8. <Connector port="28009" protocol="AJP/1.3" redirectPort="8443" />

3.测试Tomcat是否正常运行

分别访问两个Tomcat

http://localhost:18080/
http://localhost:28080/
都出现猫的页面说明正常，为了区分不同的Tomcat，这里修改${Tmocat_home}\webapps\ROOT\ index.html文件内容，加入内容以便区分

  1. <h1>This Tomcat1</h1>

之后再次访问两个Tomcat


至此，两个Tomcat运行正常。

4.配置Nginx

修改Nginx的主配置文件：
D:\nginx_cluster\nginx-1.10.2\conf\ nginx.conf

  1. #user  nobody;
  2. worker_processes  1;
  3. #error_log  logs/error.log;
  4. #error_log  logs/error.log  notice;
  5. #error_log  logs/error.log  info;
  6. #pid        logs/nginx.pid;
  7. events {
  8.     worker_connections  1024;
  9. }
  10. http {
  11.     include       mime.types;
  12.     default_type  application/octet-stream;
  13.     #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
  14.     #                  '$status $body_bytes_sent "$http_referer" '
  15.     #                  '"$http_user_agent" "$http_x_forwarded_for"';
  16.     #access_log  logs/access.log  main;
  17.     sendfile        on;
  18.     #tcp_nopush     on;
  19.     #keepalive_timeout  0;
  20.     keepalive_timeout  65;
  21.     #gzip  on;
  22.     #监听localhost的80端口
  23.     server {
  24.            listen       80;
  25.            server_name  localhost;  
  26.            location / {
  27.                proxy_connect_timeout   3;
  28.                proxy_send_timeout      30;
  29.                proxy_read_timeout      30;
  30.                proxy_pass http://localhost;
  31.            }
  32.    }
  33.     # another virtual host using mix of IP-, name-, and port-based configuration
  34.     #
  35.     #server {
  36.     #    listen       8000;
  37.     #    listen       somename:8080;
  38.     #    server_name  somename  alias  another.alias;
  39.     #    location / {
  40.     #        root   html;
  41.     #        index  index.html index.htm;
  42.     #    }
  43.     #}
  44.     #集群配置：服务器列表
  45.     upstream localhost {
  46.       server localhost:18080 weight=2;#服务器配置   weight是权重的意思，权重越大，分配的概率越大。
  47.       server localhost:28080 weight=1;
  48.     }
  49.     # HTTPS server
  50.     #
  51.     #server {
  52.     #    listen       443 ssl;
  53.     #    server_name  localhost;
  54.     #    ssl_certificate      cert.pem;
  55.     #    ssl_certificate_key  cert.key;
  56.     #    ssl_session_cache    shared:SSL:1m;
  57.     #    ssl_session_timeout  5m;
  58.     #    ssl_ciphers  HIGH:!aNULL:!MD5;
  59.     #    ssl_prefer_server_ciphers  on;
  60.     #    location / {
  61.     #        root   html;
  62.     #        index  index.html index.htm;
  63.     #    }
  64.     #}
  65. }

主要配置



至此，Nginx的简单配置就完成了。下面开始测试

5.测试集群访问

启动Nginx

进入到Nginx目录
启动命令为：start nginx
停止命令为：nginx –s stop

访问测试

访问：http://localhost/
Nginx内部配置了监听80端口，默认进行服务器的分发。


随便刷新测试了10次，共访问了Tomcat1共8次，Tomcat2共2次。可以看到权重越大，访问到的概率越大。

6.配置文件

Tomcat1 的Server.xml配置文件

  1. <!-- Note:  A "Server" is not itself a "Container", so you may not
  2.      define subcomponents such as "Valves" at this level.
  3.      Documentation at /docs/config/server.html
  4.  -->
  5. <Server port="18005" shutdown="SHUTDOWN">
  7.   <!--APR library loader. Documentation at /docs/apr.html -->
  8.   <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  9.   <!--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper-howto.html -->
  10.   <Listener className="org.apache.catalina.core.JasperListener" />
  11.   <!-- JMX Support for the Tomcat server. Documentation at /docs/non-existent.html -->
  12.   <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  13.   <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  15.   <!-- Global JNDI resources
  16.        Documentation at /docs/jndi-resources-howto.html
  17.   -->
  18.   <GlobalNamingResources>
  19.     <!-- Editable user database that can also be used by
  20.          UserDatabaseRealm to authenticate users
  21.     -->
  22.     <Resource name="UserDatabase" auth="Container"
  23.               type="org.apache.catalina.UserDatabase"
  24.               description="User database that can be updated and saved"
  25.               factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
  26.               pathname="conf/tomcat-users.xml" />
  27.   </GlobalNamingResources>
  29.   <!-- A "Service" is a collection of one or more "Connectors" that share
  30.        a single "Container" Note:  A "Service" is not itself a "Container", 
  31.        so you may not define subcomponents such as "Valves" at this level.
  32.        Documentation at /docs/config/service.html
  33.    -->
  34.   <Service name="Catalina">
  36.     <!--The connectors can use a shared executor, you can define one or more named thread pools-->
  37.     <!--
  38.     <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" 
  39.         maxThreads="150" minSpareThreads="4"/>
  40.     -->
  43.     <!-- A "Connector" represents an endpoint by which requests are received
  44.          and responses are returned. Documentation at :
  45.          Java HTTP Connector: /docs/config/http.html (blocking & non-blocking)
  46.          Java AJP  Connector: /docs/config/ajp.html
  47.          APR (HTTP/AJP) Connector: /docs/apr.html
  48.          Define a non-SSL HTTP/1.1 Connector on port 8080
  49.     -->
  50.     <Connector port="18080" protocol="HTTP/1.1" 
  51.                connectionTimeout="20000" 
  52.                redirectPort="8443" />
  53.     <!-- A "Connector" using the shared thread pool-->
  54.     <!--
  55.     <Connector executor="tomcatThreadPool"
  56.                port="8080" protocol="HTTP/1.1" 
  57.                connectionTimeout="20000" 
  58.                redirectPort="8443" />
  59.     -->           
  60.     <!-- Define a SSL HTTP/1.1 Connector on port 8443
  61.          This connector uses the JSSE configuration, when using APR, the 
  62.          connector should be using the OpenSSL style configuration
  63.          described in the APR documentation -->
  64.     <!--
  65.     <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
  66.                maxThreads="150" scheme="https" secure="true"
  67.                clientAuth="false" sslProtocol="TLS" />
  68.     -->
  70.     <!-- Define an AJP 1.3 Connector on port 8009 -->
  71.     <Connector port="18009" protocol="AJP/1.3" redirectPort="8443" />
  74.     <!-- An Engine represents the entry point (within Catalina) that processes
  75.          every request.  The Engine implementation for Tomcat stand alone
  76.          analyzes the HTTP headers included with the request, and passes them
  77.          on to the appropriate Host (virtual host).
  78.          Documentation at /docs/config/engine.html -->
  80.     <!-- You should set jvmRoute to support load-balancing via AJP ie :
  81.     <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">         
  82.     --> 
  83.     <Engine name="Catalina" defaultHost="localhost">
  85.       <!--For clustering, please take a look at documentation at:
  86.           /docs/cluster-howto.html  (simple how to)
  87.           /docs/config/cluster.html (reference documentation) -->
  88.       <!--
  89.       <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
  90.       -->        
  92.       <!-- The request dumper valve dumps useful debugging information about
  93.            the request and response data received and sent by Tomcat.
  94.            Documentation at: /docs/config/valve.html -->
  95.       <!--
  96.       <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
  97.       -->
  99.       <!-- This Realm uses the UserDatabase configured in the global JNDI
  100.            resources under the key "UserDatabase".  Any edits
  101.            that are performed against this UserDatabase are immediately
  102.            available for use by the Realm.  -->
  103.       <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
  104.              resourceName="UserDatabase"/>
  106.       <!-- Define the default virtual host
  107.            Note: XML Schema validation will not work with Xerces 2.2.
  108.        -->
  109.       <Host name="localhost"  appBase="webapps"
  110.             unpackWARs="true" autoDeploy="true"
  111.             xmlValidation="false" xmlNamespaceAware="false">
  113.         <!-- SingleSignOn valve, share authentication between web applications
  114.              Documentation at: /docs/config/valve.html -->
  115.         <!--
  116.         <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
  117.         -->
  119.         <!-- Access log processes all example.
  120.              Documentation at: /docs/config/valve.html -->
  121.         <!--
  122.         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"  
  123.                prefix="localhost_access_log." suffix=".txt" pattern="common" resolveHosts="false"/>
  124.         -->
  126.       </Host>
  127.     </Engine>
  128.   </Service>
  129. </Server>

Tomcat2 的Server.xml配置文件

  1. <!-- Note:  A "Server" is not itself a "Container", so you may not
  2.      define subcomponents such as "Valves" at this level.
  3.      Documentation at /docs/config/server.html
  4.  -->
  5. <Server port="28005" shutdown="SHUTDOWN">
  7.   <!--APR library loader. Documentation at /docs/apr.html -->
  8.   <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  9.   <!--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper-howto.html -->
  10.   <Listener className="org.apache.catalina.core.JasperListener" />
  11.   <!-- JMX Support for the Tomcat server. Documentation at /docs/non-existent.html -->
  12.   <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  13.   <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  15.   <!-- Global JNDI resources
  16.        Documentation at /docs/jndi-resources-howto.html
  17.   -->
  18.   <GlobalNamingResources>
  19.     <!-- Editable user database that can also be used by
  20.          UserDatabaseRealm to authenticate users
  21.     -->
  22.     <Resource name="UserDatabase" auth="Container"
  23.               type="org.apache.catalina.UserDatabase"
  24.               description="User database that can be updated and saved"
  25.               factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
  26.               pathname="conf/tomcat-users.xml" />
  27.   </GlobalNamingResources>
  29.   <!-- A "Service" is a collection of one or more "Connectors" that share
  30.        a single "Container" Note:  A "Service" is not itself a "Container", 
  31.        so you may not define subcomponents such as "Valves" at this level.
  32.        Documentation at /docs/config/service.html
  33.    -->
  34.   <Service name="Catalina">
  36.     <!--The connectors can use a shared executor, you can define one or more named thread pools-->
  37.     <!--
  38.     <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" 
  39.         maxThreads="150" minSpareThreads="4"/>
  40.     -->
  43.     <!-- A "Connector" represents an endpoint by which requests are received
  44.          and responses are returned. Documentation at :
  45.          Java HTTP Connector: /docs/config/http.html (blocking & non-blocking)
  46.          Java AJP  Connector: /docs/config/ajp.html
  47.          APR (HTTP/AJP) Connector: /docs/apr.html
  48.          Define a non-SSL HTTP/1.1 Connector on port 8080
  49.     -->
  50.     <Connector port="28080" protocol="HTTP/1.1" 
  51.                connectionTimeout="20000" 
  52.                redirectPort="8443" />
  53.     <!-- A "Connector" using the shared thread pool-->
  54.     <!--
  55.     <Connector executor="tomcatThreadPool"
  56.                port="8080" protocol="HTTP/1.1" 
  57.                connectionTimeout="20000" 
  58.                redirectPort="8443" />
  59.     -->           
  60.     <!-- Define a SSL HTTP/1.1 Connector on port 8443
  61.          This connector uses the JSSE configuration, when using APR, the 
  62.          connector should be using the OpenSSL style configuration
  63.          described in the APR documentation -->
  64.     <!--
  65.     <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
  66.                maxThreads="150" scheme="https" secure="true"
  67.                clientAuth="false" sslProtocol="TLS" />
  68.     -->
  70.     <!-- Define an AJP 1.3 Connector on port 8009 -->
  71.     <Connector port="28009" protocol="AJP/1.3" redirectPort="8443" />
  74.     <!-- An Engine represents the entry point (within Catalina) that processes
  75.          every request.  The Engine implementation for Tomcat stand alone
  76.          analyzes the HTTP headers included with the request, and passes them
  77.          on to the appropriate Host (virtual host).
  78.          Documentation at /docs/config/engine.html -->
  80.     <!-- You should set jvmRoute to support load-balancing via AJP ie :
  81.     <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">         
  82.     --> 
  83.     <Engine name="Catalina" defaultHost="localhost">
  85.       <!--For clustering, please take a look at documentation at:
  86.           /docs/cluster-howto.html  (simple how to)
  87.           /docs/config/cluster.html (reference documentation) -->
  88.       <!--
  89.       <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
  90.       -->        
  92.       <!-- The request dumper valve dumps useful debugging information about
  93.            the request and response data received and sent by Tomcat.
  94.            Documentation at: /docs/config/valve.html -->
  95.       <!--
  96.       <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
  97.       -->
  99.       <!-- This Realm uses the UserDatabase configured in the global JNDI
  100.            resources under the key "UserDatabase".  Any edits
  101.            that are performed against this UserDatabase are immediately
  102.            available for use by the Realm.  -->
  103.       <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
  104.              resourceName="UserDatabase"/>
  106.       <!-- Define the default virtual host
  107.            Note: XML Schema validation will not work with Xerces 2.2.
  108.        -->
  109.       <Host name="localhost"  appBase="webapps"
  110.             unpackWARs="true" autoDeploy="true"
  111.             xmlValidation="false" xmlNamespaceAware="false">
  113.         <!-- SingleSignOn valve, share authentication between web applications
  114.              Documentation at: /docs/config/valve.html -->
  115.         <!--
  116.         <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
  117.         -->
  119.         <!-- Access log processes all example.
  120.              Documentation at: /docs/config/valve.html -->
  121.         <!--
  122.         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"  
  123.                prefix="localhost_access_log." suffix=".txt" pattern="common" resolveHosts="false"/>
  124.         -->
  126.       </Host>
  127.     </Engine>
  128.   </Service>
  129. </Server>

Nginx配置文件

  2. #user  nobody;
  3. worker_processes  1;
  5. #error_log  logs/error.log;
  6. #error_log  logs/error.log  notice;
  7. #error_log  logs/error.log  info;
  9. #pid        logs/nginx.pid;
  12. events {
  13.     worker_connections  1024;
  14. }
  17. http {
  18.     include       mime.types;
  19.     default_type  application/octet-stream;
  21.     #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
  22.     #                  '$status $body_bytes_sent "$http_referer" '
  23.     #                  '"$http_user_agent" "$http_x_forwarded_for"';
  25.     #access_log  logs/access.log  main;
  27.     sendfile        on;
  28.     #tcp_nopush     on;
  30.     #keepalive_timeout  0;
  31.     keepalive_timeout  65;
  33.     #gzip  on;
  35.     #监听localhost的80端口
  36.     server {
  37.         listen       80;
  38.         server_name  localhost;   
  40.         location / {
  41.                 proxy_connect_timeout   3;
  42.                 proxy_send_timeout      30;
  43.                 proxy_read_timeout      30;
  44.             proxy_pass http://localhost;
  45.         }
  46.    }
  49.     # another virtual host using mix of IP-, name-, and port-based configuration
  50.     #
  51.     #server {
  52.     #    listen       8000;
  53.     #    listen       somename:8080;
  54.     #    server_name  somename  alias  another.alias;
  56.     #    location / {
  57.     #        root   html;
  58.     #        index  index.html index.htm;
  59.     #    }
  60.     #}
  62.     #集群配置：服务器列表
  63.     upstream localhost { 
  64.       server localhost:18080 weight=2;#服务器配置   weight是权重的意思，权重越大，分配的概率越大。 
  65.       server localhost:28080 weight=1;
  66.     }
  68.     # HTTPS server
  69.     #
  70.     #server {
  71.     #    listen       443 ssl;
  72.     #    server_name  localhost;
  74.     #    ssl_certificate      cert.pem;
  75.     #    ssl_certificate_key  cert.key;
  77.     #    ssl_session_cache    shared:SSL:1m;
  78.     #    ssl_session_timeout  5m;
  80.     #    ssl_ciphers  HIGH:!aNULL:!MD5;
  81.     #    ssl_prefer_server_ciphers  on;
  83.     #    location / {
  84.     #        root   html;
  85.     #        index  index.html index.htm;
  86.     #    }
  87.     #}
  88. }

（总结）Nginx配置文件nginx.conf中文详解

  1. #定义Nginx运行的用户和用户组
  2. user www www;
  3. #nginx进程数，建议设置为等于CPU总核心数。
  4. worker_processes 8;
  5. #全局错误日志定义类型，[ debug | info | notice | warn | error | crit ]
  6. error_log /var/log/nginx/error.log info;
  7. #进程文件
  8. pid /var/run/nginx.pid;
  9. #一个nginx进程打开的最多文件描述符数目，理论值应该是最多打开文件数（系统的值ulimit -n）与nginx进程数相除，但是nginx分配请求并不均匀，所以建议与ulimit -n的值保持一致。
  10. worker_rlimit_nofile 65535;
  11. #工作模式与连接数上限
  12. events
  13. {
  14.     #参考事件模型，use [ kqueue | rtsig | epoll | /dev/poll | select | poll ]; epoll模型是Linux 2.6以上版本内核中的高性能网络I/O模型，如果跑在FreeBSD上面，就用kqueue模型。
  15.     use epoll;
  16.     #单个进程最大连接数（最大连接数=连接数*进程数）
  17.     worker_connections 65535;
  18. }
  19. #设定http服务器
  20. http
  21. {
  22.     include mime.types; #文件扩展名与文件类型映射表
  23.     default_type application/octet-stream; #默认文件类型
  24.     #charset utf-8; #默认编码
  25.     server_names_hash_bucket_size 128; #服务器名字的hash表大小
  26.     client_header_buffer_size 32k; #上传文件大小限制
  27.     large_client_header_buffers 4 64k; #设定请求缓
  28.     client_max_body_size 8m; #设定请求缓
  29.     sendfile on; #开启高效文件传输模式，sendfile指令指定nginx是否调用sendfile函数来输出文件，对于普通应用设为 on，如果用来进行下载等应用磁盘IO重负载应用，可设置为off，以平衡磁盘与网络I/O处理速度，降低系统的负载。注意：如果图片显示不正常把这个改成off。
  30.     autoindex on; #开启目录列表访问，合适下载服务器，默认关闭。
  31.     tcp_nopush on; #防止网络阻塞
  32.     tcp_nodelay on; #防止网络阻塞
  33.     keepalive_timeout 120; #长连接超时时间，单位是秒
  34.     #FastCGI相关参数是为了改善网站的性能：减少资源占用，提高访问速度。下面参数看字面意思都能理解。
  35.     fastcgi_connect_timeout 300;
  36.     fastcgi_send_timeout 300;
  37.     fastcgi_read_timeout 300;
  38.     fastcgi_buffer_size 64k;
  39.     fastcgi_buffers 4 64k;
  40.     fastcgi_busy_buffers_size 128k;
  41.     fastcgi_temp_file_write_size 128k;
  42.     #gzip模块设置
  43.     gzip on; #开启gzip压缩输出
  44.     gzip_min_length 1k; #最小压缩文件大小
  45.     gzip_buffers 4 16k; #压缩缓冲区
  46.     gzip_http_version 1.0; #压缩版本（默认1.1，前端如果是squid2.5请使用1.0）
  47.     gzip_comp_level 2; #压缩等级
  48.     gzip_types text/plain application/x-javascript text/css application/xml;
  49.     #压缩类型，默认就已经包含text/html，所以下面就不用再写了，写上去也不会有问题，但是会有一个warn。
  50.     gzip_vary on;
  51.     #limit_zone crawler $binary_remote_addr 10m; #开启限制IP连接数的时候需要使用
  52.     upstream blog.ha97.com {
  53.         #upstream的负载均衡，weight是权重，可以根据机器配置定义权重。weigth参数表示权值，权值越高被分配到的几率越大。
  54.         server 192.168.80.121:80 weight=3;
  55.         server 192.168.80.122:80 weight=2;
  56.         server 192.168.80.123:80 weight=3;
  57.     }
  58.     #虚拟主机的配置
  59.     server {
  60.         #监听端口
  61.         listen 80;
  62.         #域名可以有多个，用空格隔开
  63.         server_name www.ha97.com ha97.com;
  64.         index index.html index.htm index.php;
  65.         root /data/www/ha97;
  66.         location ~ .*\.(php|php5)?$
  67.         {
  68.             fastcgi_pass 127.0.0.1:9000;
  69.             fastcgi_index index.php;
  70.             include fastcgi.conf;
  71.         }
  72.         #图片缓存时间设置
  73.         location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
  74.         {
  75.             expires 10d;
  76.         }
  77.         #JS和CSS缓存时间设置
  78.         location ~ .*\.(js|css)?$
  79.         {
  80.             expires 1h;
  81.         }
  82.         #日志格式设定
  83.         log_format access '$remote_addr - $remote_user [$time_local] "$request" '
  84.         '$status $body_bytes_sent "$http_referer" '
  85.         '"$http_user_agent" $http_x_forwarded_for';
  86.         #定义本虚拟主机的访问日志
  87.         access_log /var/log/nginx/ha97access.log access;
  88.         #对 "/" 启用反向代理
  89.         location / {
  90.             proxy_pass http://127.0.0.1:88;
  91.             proxy_redirect off;
  92.             proxy_set_header X-Real-IP $remote_addr;
  93.             #后端的Web服务器可以通过X-Forwarded-For获取用户真实IP
  94.             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  95.             #以下是一些反向代理的配置，可选。
  96.             proxy_set_header Host $host;
  97.             client_max_body_size 10m; #允许客户端请求的最大单文件字节数
  98.             client_body_buffer_size 128k; #缓冲区代理缓冲用户端请求的最大字节数，
  99.             proxy_connect_timeout 90; #nginx跟后端服务器连接超时时间(代理连接超时)
  100.             proxy_send_timeout 90; #后端服务器数据回传时间(代理发送超时)
  101.             proxy_read_timeout 90; #连接成功后，后端服务器响应时间(代理接收超时)
  102.             proxy_buffer_size 4k; #设置代理服务器（nginx）保存用户头信息的缓冲区大小
  103.             proxy_buffers 4 32k; #proxy_buffers缓冲区，网页平均在32k以下的设置
  104.             proxy_busy_buffers_size 64k; #高负荷下缓冲大小（proxy_buffers*2）
  105.             proxy_temp_file_write_size 64k;
  106.             #设定缓存文件夹大小，大于这个值，将从upstream服务器传
  107.         }
  108.         #设定查看Nginx状态的地址
  109.         location /NginxStatus {
  110.             stub_status on;
  111.             access_log on;
  112.             auth_basic "NginxStatus";
  113.             auth_basic_user_file conf/htpasswd;
  114.             #htpasswd文件的内容可以用apache提供的htpasswd工具来产生。
  115.         }
  116.         #本地动静分离反向代理配置
  117.         #所有jsp的页面均交由tomcat或resin处理
  118.         location ~ .(jsp|jspx|do)?$ {
  119.             proxy_set_header Host $host;
  120.             proxy_set_header X-Real-IP $remote_addr;
  121.             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  122.             proxy_pass http://127.0.0.1:8080;
  123.         }
  124.         #所有静态文件由nginx直接读取不经过tomcat或resin
  125.         location ~ .*.(htm|html|gif|jpg|jpeg|png|bmp|swf|ioc|rar|zip|txt|flv|mid|doc|ppt|pdf|xls|mp3|wma)$
  126.         { expires 15d; }
  127.         location ~ .*.(js|css)?$
  128.         { expires 1h; }
  129.     }
  130. }
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