(原)二、CentOS Linux 下配制Nginx实现简单的负载均衡配置

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

events {
    worker_connections  1024;
}

http{
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    #access_log  logs/access.log  main;

    #new 1  start---------------
    server_names_hash_bucket_size  128;
    client_header_buffer_size  32k;
    large_client_header_buffers  4  32K;
    client_max_body_size 8m;
    #new 1 end -----------

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #tomcat add start<<
    tcp_nodelay on;
    client_body_buffer_size 512k;
    proxy_connect_timeout 5;
    proxy_read_timeout 60;
    proxy_send_timeout 5;
    proxy_buffer_size 16k;
    proxy_buffers 4 64k;
    proxy_busy_buffers_size 128k;
    proxy_temp_file_write_size 128k;
    #tomcat add end>>

    gzip  on;
    #news2 start  --
    gzip_min_length 1k;
    gzip_buffers 4  16k;
    gzip_http_version 1.1;
    gzip_comp_level 2;
    gzip_types text/plain application/x-javascript text/css application/xml;
    gzip_vary  on;
    upstream tomcat_server {

        server 192.168.0.29:8035;
        server 192.168.0.27:8090;
    }

server {
listen 8088;
server_name  192.168.0.104; 
charset utf-8;
location / {

proxy_pass http://tomcat_server ;

}

}

}

tomcat

<Engine name="Catalina" defaultHost="localhost" jvmRoute="a">

多Server

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

events {
    worker_connections  1024;
}

http{
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    #access_log  logs/access.log  main;

    #new 1  start---------------
    server_names_hash_bucket_size  128;
    client_header_buffer_size  32k;
    large_client_header_buffers  4  32K;
    client_max_body_size 8m;
    #new 1 end -----------

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #tomcat add start<<
    tcp_nodelay on;
    client_body_buffer_size 512k;
    proxy_connect_timeout 5;
    proxy_read_timeout 60;
    proxy_send_timeout 5;
    proxy_buffer_size 16k;
    proxy_buffers 4 64k;
    proxy_busy_buffers_size 128k;
    proxy_temp_file_write_size 128k;
    #tomcat add end>>

    gzip  on;
    #news2 start  --
    gzip_min_length 1k;
    gzip_buffers 4  16k;
    gzip_http_version 1.1;
    gzip_comp_level 2;
    gzip_types text/plain application/x-javascript text/css application/xml;
    gzip_vary  on;
    upstream tomcat_server {

        server 192.168.0.29:8035;
        server 192.168.0.27:8090;
    }

server {
listen 8088;
server_name  192.168.0.104; 
charset utf-8;
location / {

proxy_pass http://tomcat_server ;

}

}
server {
        listen       8620;
        server_name  192.168.0.104;
        location / {
            root   /share;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
}

}

Tomcat:

<Server port="8025" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.core.AprLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>

  <GlobalNamingResources>

    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>

    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved"
           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
          pathname="conf/tomcat-users.xml" />

  </GlobalNamingResources>

  <Service name="Catalina">
    <Connector port="8035" maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8045" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" URIEncoding="UTF-8" />

    <Connector port="8009"
               enableLookups="false" redirectPort="8045" protocol="AJP/1.3" URIEncoding="UTF-8" />   
    <Engine name="Catalina" defaultHost="localhost" jvmRoute="a">

      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
             resourceName="UserDatabase"/>

      <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">
            <Context path="" docBase="D:\project\TEST"  debug="0" />
      </Host>

    </Engine>

  </Service>

</Server>