| 系统 | 角色 | 用途 | 安装的软件 | ip地址 |
| Centos6.5x86_64 | nginx | 反向代理用户请求 | nginx | 172.16.249.210 |
| Centos6.5x86_64 | tomcat1 | 处理jsp请求 | jdk+tomcat | 172.16.249.101 |
| Centos6.5x86_64 | tomcat2 | 172.16.249.100 | ||
| Centos6.5x86_64 | mog(ilefs/store) | 分布式存储静态数据 | mogilefs | 172.16.249.129 |
| Centos6.5x86_64 | mog(ilefs/store)+mariadb | 172.16.249.128 |
二、实现过程1、nginx安装配置文件如下:#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 {
include mime.types;
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;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
upstream mogfs_cluster {
server 172.16.249.128:7001;
server 172.16.249.129:7001;
}
upstream jsp_server {
server 172.16.249.100:8080;
server 172.16.249.101:8080;
}
server {
listen 80;
# server_name localhost;
# location / {
# root html;
# index index.html index.htm;
# }
location ~* ^(/p_w_picpaths/.*)$ {
mogilefs_tracker mogfs_cluster;
mogilefs_domain p_w_picpaths;
mogilefs_noverify on;
mogilefs_pass $1 {
proxy_pass $mogilefs_path;
proxy_hide_header Content-Type;
proxy_buffering off;
}
}
location ~* ^(/text/.*)$ {
mogilefs_tracker mogfs_cluster;
mogilefs_domain text;
mogilefs_noverify on;
mogilefs_pass $1 {
proxy_pass $mogilefs_path;
proxy_hide_header Content-Type;
proxy_buffering off;
}
}
location ~* (\.jsp|do)$ {
proxy_pass http://jsp_server;
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}2、安装JDK+Tomcattomcat1配置文件如下(server.xml)<?xml version='1.0' encoding='utf-8'?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this 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 with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed 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 and
limitations under the License.
-->
<!-- Note: A "Server" is not itself a "Container", so you may not
define subcomponents such as "Valves" at this level.
Documentation at /docs/config/server.html
-->
<Server port="8005" shutdown="SHUTDOWN">
<!-- 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" />
<!--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper-howto.html -->
<Listener className="org.apache.catalina.core.JasperListener" />
<!-- 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 resources
Documentation at /docs/jndi-resources-howto.html
-->
<GlobalNamingResources>
<!-- Editable user database that can also be used by
UserDatabaseRealm 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 share
a 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 received
and responses are returned. Documentation at :
Java HTTP Connector: /docs/config/http.html (blocking & non-blocking)
Java AJP Connector: /docs/config/ajp.html
APR (HTTP/AJP) Connector: /docs/apr.html
Define a non-SSL HTTP/1.1 Connector on port 8080
-->
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<!-- A "Connector" using the shared thread pool-->
<!--
<Connector executor="tomcatThreadPool"
port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
-->
<!-- Define a SSL HTTP/1.1 Connector on port 8443
This connector uses the JSSE configuration, when using APR, the
connector should be using the OpenSSL style configuration
described in the APR documentation -->
<!--
<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
maxThreads="150" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" />
-->
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<!-- An Engine represents the entry point (within Catalina) that processes
every request. The Engine implementation for Tomcat stand alone
analyzes the HTTP headers included with the request, and passes them
on 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 passwords
via a brute-force attack -->
<Realm className="org.apache.catalina.realm.LockOutRealm">
<!-- This Realm uses the UserDatabase configured in the global JNDI
resources under the key "UserDatabase". Any edits
that are performed against this UserDatabase are immediately
available for use by the Realm. -->
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="www.essun.org" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="essun" />
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="essun_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" />
</Host>
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<!-- SingleSignOn valve, share authentication between web applications
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-->
<!-- Access log processes all example.
Documentation at: /docs/config/valve.html
Note: 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 "%r" %s %b" />
</Host>
</Engine>
</Service>
</Server>站点目录文件如下[root@essun tomcat]# cd webapps/essun/
[root@essun essun]# ls
index.jsp WEB-INF
[root@essun essun]# ll WEB-INF/
total 8
drwxr-xr-x 2 root root 4096 May 2 11:07 classes
drwxr-xr-x 2 root root 4096 May 2 11:07 lib
[root@essun essun]# cat index.jsp
<%@ page language="java" %>
<html>
<head><title>essun.node2</title></head>
<body> <h1><font color="red">essun.node2.org</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("essun.org","essun.org"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
<p>
<a href="http://172.16.249.210/p_w_picpaths/4.jpg">"Picture"</a></p>
<% out.println("<img src='http://172.16.249.210/p_w_picpaths/3.jpg'>"); %>
</body>
</html>tomcat2 与此处的配置相同,仅 index.jsp有所不同[root@essun essun]# cat index.jsp
<%@ page language="java" %>
<html>
<head><title>essun.node1</title></head>
<body> <h1><font color="blue">essun.node1.org</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("essun.org","essun.org"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
<p>
<a href="http://172.16.249.210/p_w_picpaths/4.jpg">"picture"</a></p>
<% out.println("<img src='http://172.16.249.210/p_w_picpaths/3.jpg'>"); %>
</body>
</html>3、mogilefs安装配置文件中只要修改对应的ip地址即可4、测试访问nginx
刷新后的结果
己经通过nginx中的proxy_pass为tomcat反向代理注:<Manager className="org.apache.catalina.session.StandardManager"
maxInactiveInterval="7200"/>默认保存于$CATALINA_HOME/work/Catalina/<hostname>/<webapp-name>/下的SESSIONS.ser文件中。<Manager className="org.apache.catalina.session.PersistentManager"
saveOnRestart="true">
<Store className="org.apache.catalina.session.FileStore"
directory="/data/tomcat-sessions"/>
</Manager>每个用户的会话会被保存至directory指定的目录中的文件中,文件名为.session,并通过后台线程每隔一段时间(checkInterval参数定义,默认为60秒)检查一次超时会话。 <Manager className="org.apache.catalina.session.PersistentManager"
saveOnRestart="true">
<Store className="org.apache.catalina.session.JDBCStore"
driverName="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/mydb?user=jb;password=pw"/>
</Manager><Server port="8005" shutdown="SHUTDOWN">
<!-- Define a non-SSL HTTP/1.1 Connector on port 8080 --> <Connector port="8080" maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" enableLookups="false" redirectPort="8443"
protocol="AJP/1.3" />找到<Engine name="Catalina" defaultHost="localhost">Tomcat1下的修改为<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">Tomcat2下的修改为<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat2">2、修改tomcat1中的Cluster className tomcat1找到 修改为<!--
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
-->
#在这以下为添加内容
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
channelSendOptions="8">
<Manager className="org.apache.catalina.ha.session.DeltaManager"
expireSessionsOnShutdown="false"
notifyListenersOnReplication="true"/>
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.4"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="172.16.249.101"
port="4000"
autoBind="100"
selectorTimeout="5000"
maxThreads="6"/>
<Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
</Sender>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
filter=""/>
<Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
<ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/>
<ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>3、将conf/web.xml复制一份到发布的站点目录WEB-INF下,在</web-app>前面加入以下这句话<distributable/>如我的站点目录为[root@essun tomcat]# cd webapps/essun/
[root@essun essun]# ll WEB-INF/
total 168
drwxr-xr-x 2 root root 4096 May 14 04:40 classes
drwxr-xr-x 2 root root 4096 May 14 04:40 lib
-rw------- 1 root root 162921 May 14 04:40 web.xml4、在各节点为使用组播地址添加组播路由,格式:route add -net $MCAST_ADDRESS netmask 255.255.255.255 dev eth0如我自己的地址为route add -net 228.0.0.4 netmask 255.255.255.255 dev eth0而在tomcat2上只有两处与tomcat1不同,其它操作都一样jvmRoute="tomcat2"address="172.16.249.101"address最好是当前节点的主机地址session同步到这里设置完毕。看一下效果
还有一张
服务器的启动顺序如下:tomcat1 --> |tomcat2 --> |nginx先启动tocmat1,等tomcat1启动完全的时候再启动tomcat2,等两个tocmat全启动之后,再启动nginx负载的时候可以用APACHE或NGINX,如果什么都不用,两台一接防问了话,可能会出错极session不同步的问题,网上也很多人介意不要做seeeion同步,这样会降低机器的性能,有一个方法可以,就是NGINX的ip_hash,这样至少可以保证客户端去防问同一台TOCMAT,除非那台TOCMAT挂了我的瘦服务器配置了nginx,我的ROR应用程序正在它们上运行。在我发布代码更新时运行thinrestart会给我的应用程序带来一些停机时间。我试图弄清楚如何优雅地重启正在运行的Thin实例,但找不到好的解决方案。有没有人能做到这一点? 最佳答案 #Restartjustthethinserverdescribedbythatconfigsudothin-C/etc/thin/mysite.ymlrestartNginx将继续运行并代理请求。如果您将Nginx设置为使用多个上游服务器,例如server{listen80;server
我有一个用户工厂。我希望默认情况下确认用户。但是鉴于unconfirmed特征,我不希望它们被确认。虽然我有一个基于实现细节而不是抽象的工作实现,但我想知道如何正确地做到这一点。factory:userdoafter(:create)do|user,evaluator|#unwantedimplementationdetailshereunlessFactoryGirl.factories[:user].defined_traits.map(&:name).include?(:unconfirmed)user.confirm!endendtrait:unconfirmeddoenden
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通常,数组被实现为内存块,集合被实现为HashMap,有序集合被实现为跳跃列表。在Ruby中也是如此吗?我正在尝试从性能和内存占用方面评估Ruby中不同容器的使用情况 最佳答案 数组是Ruby核心库的一部分。每个Ruby实现都有自己的数组实现。Ruby语言规范只规定了Ruby数组的行为,并没有规定任何特定的实现策略。它甚至没有指定任何会强制或至少建议特定实现策略的性能约束。然而,大多数Rubyist对数组的性能特征有一些期望,这会迫使不符合它们的实现变得默默无闻,因为实际上没有人会使用它:插入、前置或追加以及删除元素的最坏情况步骤复