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企业网站模板优化,bt磁力库,广西奶茶加盟网站建设,企业老总电话名录Nginx 负载均衡 实战案例 实现效果 浏览器地址栏输入地址 http://172.31.0.99/oa/a.html，负载均衡效果，平均 8083 和 8084 端口中 一、配置 1、先创建2个文件夹，并将apache-tomcat-8.5.87解压到tomcat8083和tomcat8084中 （或…

Nginx 负载均衡 实战案例

实现效果
浏览器地址栏输入地址 http://172.31.0.99/oa/a.html，负载均衡效果，平均 8083 和 8084 端口中

一、配置

1、先创建2个文件夹，并将apache-tomcat-8.5.87解压到tomcat8083和tomcat8084中

（或者复制一份tomcat8081中的/apache-tomcat-8.5.87到这两个文件中）

[root@oa tools]# mkdir tomcat8083
[root@oa tools]# mkdir tomcat8084

在这里插入图片描述

[root@oa tools]# cp -r /tools/tomcat8081/apache-tomcat-8.5.87 tomcat8083
[root@oa tools]# cp -r /tools/tomcat8081/apache-tomcat-8.5.87 tomcat8084

2、修改Tomcat配置文件

tomcat8083

2、将tomcat8083中的server.xml内容修改后如下：
在这里插入图片描述

2.1、修改server 的默认端口，由默认8005->8093
在这里插入图片描述

2.2、修改http协议的默认端口，由默认的8080->8083
在这里插入图片描述

2.3修改默认ajp协议的默认端口，由默认的8009->9003
在这里插入图片描述

最终修改文件：

<?xml version="1.0" encoding="UTF-8"?>
<!--Licensed to the Apache Software Foundation (ASF) under one or morecontributor license agreements.  See the NOTICE file distributed withthis work for additional information regarding copyright ownership.The ASF licenses this file to You under the Apache License, Version 2.0(the "License"); you may not use this file except in compliance withthe License.  You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
-->
<!-- Note:  A "Server" is not itself a "Container", so you may notdefine subcomponents such as "Valves" at this level.Documentation at /docs/config/server.html-->
<Server port="8093" shutdown="SHUTDOWN"><Listener className="org.apache.catalina.startup.VersionLoggerListener" /><!-- Security listener. Documentation at /docs/config/listeners.html<Listener className="org.apache.catalina.security.SecurityListener" />--><!-- APR library loader. Documentation at /docs/apr.html --><Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /><!-- Prevent memory leaks due to use of particular java/javax APIs--><Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" /><Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" /><Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" /><!-- Global JNDI resourcesDocumentation at /docs/jndi-resources-howto.html--><GlobalNamingResources><!-- Editable user database that can also be used byUserDatabaseRealm to authenticate users--><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><!-- A "Service" is a collection of one or more "Connectors" that sharea single "Container" Note:  A "Service" is not itself a "Container",so you may not define subcomponents such as "Valves" at this level.Documentation at /docs/config/service.html--><Service name="Catalina"><!--The connectors can use a shared executor, you can define one or more named thread pools--><!--<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"maxThreads="150" minSpareThreads="4"/>--><!-- A "Connector" represents an endpoint by which requests are receivedand responses are returned. Documentation at :Java HTTP Connector: /docs/config/http.htmlJava AJP  Connector: /docs/config/ajp.htmlAPR (HTTP/AJP) Connector: /docs/apr.htmlDefine a non-SSL/TLS HTTP/1.1 Connector on port 8083--><Connector port="8083" protocol="HTTP/1.1"connectionTimeout="20000"redirectPort="8445" /><!-- A "Connector" using the shared thread pool--><!--<Connector executor="tomcatThreadPool"port="8083" protocol="HTTP/1.1"connectionTimeout="20000"redirectPort="8445" />--><!-- Define an SSL/TLS HTTP/1.1 Connector on port 8445This connector uses the NIO implementation. The defaultSSLImplementation will depend on the presence of the APR/nativelibrary and the useOpenSSL attribute of the AprLifecycleListener.Either JSSE or OpenSSL style configuration may be used regardless ofthe SSLImplementation selected. JSSE style configuration is used below.--><!--<Connector port="8445" protocol="org.apache.coyote.http11.Http11NioProtocol"maxThreads="150" SSLEnabled="true"><SSLHostConfig><Certificate certificateKeystoreFile="conf/localhost-rsa.jks"type="RSA" /></SSLHostConfig></Connector>--><!-- Define an SSL/TLS HTTP/1.1 Connector on port 8445 with HTTP/2This connector uses the APR/native implementation which always usesOpenSSL for TLS.Either JSSE or OpenSSL style configuration may be used. OpenSSL styleconfiguration is used below.--><!--<Connector port="8445" protocol="org.apache.coyote.http11.Http11AprProtocol"maxThreads="150" SSLEnabled="true" ><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /><SSLHostConfig><Certificate certificateKeyFile="conf/localhost-rsa-key.pem"certificateFile="conf/localhost-rsa-cert.pem"certificateChainFile="conf/localhost-rsa-chain.pem"type="RSA" /></SSLHostConfig></Connector>--><!-- Define an AJP 1.3 Connector on port 9003 --><!--<Connector protocol="AJP/1.3"address="::1"port="9003"redirectPort="8445" />--><!-- An Engine represents the entry point (within Catalina) that processesevery request.  The Engine implementation for Tomcat stand aloneanalyzes the HTTP headers included with the request, and passes themon to the appropriate Host (virtual host).Documentation at /docs/config/engine.html --><!-- You should set jvmRoute to support load-balancing via AJP ie :<Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">--><Engine name="Catalina" defaultHost="localhost"><!--For clustering, please take a look at documentation at:/docs/cluster-howto.html  (simple how to)/docs/config/cluster.html (reference documentation) --><!--<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>--><!-- Use the LockOutRealm to prevent attempts to guess user passwordsvia a brute-force attack --><Realm className="org.apache.catalina.realm.LockOutRealm"><!-- This Realm uses the UserDatabase configured in the global JNDIresources under the key "UserDatabase".  Any editsthat are performed against this UserDatabase are immediatelyavailable for use by the Realm.  --><Realm className="org.apache.catalina.realm.UserDatabaseRealm"resourceName="UserDatabase"/></Realm><Host name="localhost"  appBase="webapps"unpackWARs="true" autoDeploy="true"><!-- SingleSignOn valve, share authentication between web applicationsDocumentation at: /docs/config/valve.html --><!--<Valve className="org.apache.catalina.authenticator.SingleSignOn" />--><!-- Access log processes all example.Documentation at: /docs/config/valve.htmlNote: The pattern used is equivalent to using pattern="common" --><Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"prefix="localhost_access_log" suffix=".txt"pattern="%h %l %u %t &quot;%r&quot; %s %b" /></Host></Engine></Service>
</Server>

tomcat8084

tomcat4也是和tomcat3,修改相同的文职，变成不同的端口就行，可以看我最终修改的一下文件，就是修改成别的端口就行。

<?xml version="1.0" encoding="UTF-8"?>
<!--Licensed to the Apache Software Foundation (ASF) under one or morecontributor license agreements.  See the NOTICE file distributed withthis work for additional information regarding copyright ownership.The ASF licenses this file to You under the Apache License, Version 2.0(the "License"); you may not use this file except in compliance withthe License.  You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
-->
<!-- Note:  A "Server" is not itself a "Container", so you may notdefine subcomponents such as "Valves" at this level.Documentation at /docs/config/server.html-->
<Server port="8094" shutdown="SHUTDOWN"><Listener className="org.apache.catalina.startup.VersionLoggerListener" /><!-- Security listener. Documentation at /docs/config/listeners.html<Listener className="org.apache.catalina.security.SecurityListener" />--><!-- APR library loader. Documentation at /docs/apr.html --><Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /><!-- Prevent memory leaks due to use of particular java/javax APIs--><Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" /><Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" /><Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" /><!-- Global JNDI resourcesDocumentation at /docs/jndi-resources-howto.html--><GlobalNamingResources><!-- Editable user database that can also be used byUserDatabaseRealm to authenticate users--><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><!-- A "Service" is a collection of one or more "Connectors" that sharea single "Container" Note:  A "Service" is not itself a "Container",so you may not define subcomponents such as "Valves" at this level.Documentation at /docs/config/service.html--><Service name="Catalina"><!--The connectors can use a shared executor, you can define one or more named thread pools--><!--<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"maxThreads="150" minSpareThreads="4"/>--><!-- A "Connector" represents an endpoint by which requests are receivedand responses are returned. Documentation at :Java HTTP Connector: /docs/config/http.htmlJava AJP  Connector: /docs/config/ajp.htmlAPR (HTTP/AJP) Connector: /docs/apr.htmlDefine a non-SSL/TLS HTTP/1.1 Connector on port 8084--><Connector port="8084" protocol="HTTP/1.1"connectionTimeout="20000"redirectPort="8445" /><!-- A "Connector" using the shared thread pool--><!--<Connector executor="tomcatThreadPool"port="8084" protocol="HTTP/1.1"connectionTimeout="20000"redirectPort="8445" />--><!-- Define an SSL/TLS HTTP/1.1 Connector on port 8445This connector uses the NIO implementation. The defaultSSLImplementation will depend on the presence of the APR/nativelibrary and the useOpenSSL attribute of the AprLifecycleListener.Either JSSE or OpenSSL style configuration may be used regardless ofthe SSLImplementation selected. JSSE style configuration is used below.--><!--<Connector port="8445" protocol="org.apache.coyote.http11.Http11NioProtocol"maxThreads="150" SSLEnabled="true"><SSLHostConfig><Certificate certificateKeystoreFile="conf/localhost-rsa.jks"type="RSA" /></SSLHostConfig></Connector>--><!-- Define an SSL/TLS HTTP/1.1 Connector on port 8445 with HTTP/2This connector uses the APR/native implementation which always usesOpenSSL for TLS.Either JSSE or OpenSSL style configuration may be used. OpenSSL styleconfiguration is used below.--><!--<Connector port="8445" protocol="org.apache.coyote.http11.Http11AprProtocol"maxThreads="150" SSLEnabled="true" ><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /><SSLHostConfig><Certificate certificateKeyFile="conf/localhost-rsa-key.pem"certificateFile="conf/localhost-rsa-cert.pem"certificateChainFile="conf/localhost-rsa-chain.pem"type="RSA" /></SSLHostConfig></Connector>--><!-- Define an AJP 1.3 Connector on port 9004 --><!--<Connector protocol="AJP/1.3"address="::1"port="9004"redirectPort="8445" />--><!-- An Engine represents the entry point (within Catalina) that processesevery request.  The Engine implementation for Tomcat stand aloneanalyzes the HTTP headers included with the request, and passes themon to the appropriate Host (virtual host).Documentation at /docs/config/engine.html --><!-- You should set jvmRoute to support load-balancing via AJP ie :<Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">--><Engine name="Catalina" defaultHost="localhost"><!--For clustering, please take a look at documentation at:/docs/cluster-howto.html  (simple how to)/docs/config/cluster.html (reference documentation) --><!--<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>--><!-- Use the LockOutRealm to prevent attempts to guess user passwordsvia a brute-force attack --><Realm className="org.apache.catalina.realm.LockOutRealm"><!-- This Realm uses the UserDatabase configured in the global JNDIresources under the key "UserDatabase".  Any editsthat are performed against this UserDatabase are immediatelyavailable for use by the Realm.  --><Realm className="org.apache.catalina.realm.UserDatabaseRealm"resourceName="UserDatabase"/></Realm><Host name="localhost"  appBase="webapps"unpackWARs="true" autoDeploy="true"><!-- SingleSignOn valve, share authentication between web applicationsDocumentation at: /docs/config/valve.html --><!--<Valve className="org.apache.catalina.authenticator.SingleSignOn" />--><!-- Access log processes all example.Documentation at: /docs/config/valve.htmlNote: The pattern used is equivalent to using pattern="common" --><Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"prefix="localhost_access_log" suffix=".txt"pattern="%h %l %u %t &quot;%r&quot; %s %b" /></Host></Engine></Service>
</Server>

二、创建项目文件夹

tomcat8083

1、在/tools/tomcat8083/apache-tomcat-8.5.87/webapps，创建一个oa的文件夹
在这里插入图片描述
2、并在oa 的文件夹中，建立一个a.html文件，内容如下：

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head>
<body><h1>NGINX 负载均衡Tomcat3</h1>
</body>
</html>

tomcat8084

1、在/tools/tomcat8084/apache-tomcat-8.5.87/webapps，创建一个oa的文件夹
在这里插入图片描述
2、并在oa 的文件夹中，建立一个a.html文件，内容如下：

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head>
<body><h1>NGINX 负载均衡Tomcat4</h1>
</body>
</html>

三、启动Tomcatcat

1、启动tomcat8083

[root@oa tomcat8083]# cd /tools/tomcat8083/apache-tomcat-8.5.87/bin
[root@oa bin]# ./startup.sh

在这里插入图片描述

2、启动tomcat8084

[root@oa tomcat8083]# cd /tools/tomcat8084/apache-tomcat-8.5.87/bin
[root@oa bin]# ./startup.sh

在这里插入图片描述

三、配置NGINX

/usr/local/nginx/sbin

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