Nginx+tomcat+memcached for Tomcat cluster and session sharing

Lab Environment:

Hostname IP

Nginx 192.168.1.241

JAVA1 192.168.1.242

JAVA2 192.168.1.243

1.nginx+upstream Installation

[Email protected] ~]# useradd nginx-s/sbin/nologin

[Email protected] opt]# tar zxf pcre-8.34.tar.gz

[Email protected] opt]# CD pcre-8.34

[Email protected] pcre-8.34]#./configure

[[email protected] pcre-8.34]# make && make install

[Email protected] opt]# tar zxf tengine-1.5.1.tar.gz

[Email protected] opt]# CD tengine-1.5.1

[Email protected] tengine-1.5.1]#/configure--user=nginx--group=nginx--prefix=/usr/local/nginx--with-http_stub_ Status_module--with-http_ssl_module

[[email protected] tengine-1.5.1]# make && make install

(1) Modify the configuration file

[Email protected] ~]# Mv/usr/local/nginx/conf/nginx.conf/usr/local/nginx/conf/nginx.conf.bak

[Email protected] ~]# vi/usr/local/nginx/conf/nginx.conf

Add the following configuration

User Nginx Nginx;

Worker_processes Auto;

Worker_rlimit_nofile 65535;

Error_log/var/log/www/error.log;

#pid Logs/nginx.pid;

Events {

Use Epoll;

Worker_connections 51200;

}

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";

Server_info off;

Server_tag off;

Server_name_in_redirect off;

Access_log/var/log/www/access.log main;

Client_max_body_size 20m;

Client_header_buffer_size 16k;

Large_client_header_buffers 4 16k;

Sendfile on;

Tcp_nopush on;

Keepalive_timeout 65;

Server_tokens on;

gzip on;

Gzip_min_length 1k;

Gzip_buffers 4 16k;

Gzip_proxied any;

Gzip_http_version 1.1;

Gzip_comp_level 3;

Gzip_types text/plain application/x-javascript text/css application/xml;

Gzip_vary on;

Upstream Kim {

Consistent_hash $request _uri;

#ip_hash;

Server 192.168.1.242:8080;

Server 192.168.1.243:8080;

}

server {

Listen 80;

server_name localhost;

Location/{

root HTML;

Index index.html index.htm;

Proxy_pass Http://kim;

Proxy_redirect off;

Proxy_set_header Host $host;

Proxy_set_header X-real-ip $remote _addr;

Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;

Client_max_body_size 10m;

Client_body_buffer_size 128k;

Proxy_connect_timeout 90;

Proxy_send_timeout 90;

Proxy_read_timeout 90;

Proxy_buffer_size 4k;

Proxy_buffers 4 32k;

Proxy_busy_buffers_size 64k;

Proxy_temp_file_write_size 64k;

}

}

}

2.memcached Installation

http://304076020.blog.51cto.com/7503470/1544311

Please refer to the above URL for the installation process

3.tomcat installation (same as JAVA1 and java2 two configurations)

http://304076020.blog.51cto.com/7503470/1642482

Please refer to the above URL for the installation process

(1) Place the following jar packages under/usr/local/tomcat/lib

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Jar Package

http://down.51cto.com/data/2044436

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(2) Modify the configuration file

[Email protected] ~]# Vi/usr/local/tomcat/conf/context.xml

Add the following configuration on the </Context> line

<manager classname= "De.javakaffee.web.msm.MemcachedBackupSessionManager"

Memcachednodes= "n1:127.0.0.1:11211"

Sticky= "false"

Sessionbackupasync= "false"

Lockingmode= "Auto"

Requesturiignorepattern= ". *\. (ICO|PNG|GIF|JPG|CSS|JS) $ "

Transcoderfactoryclass= "De.javakaffee.web.msm.JavaSerializationTranscoderFactory"

/>

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[Email protected] ~]# Vi/usr/local/tomcat/conf/context.xml

Add the following configuration on the </Context> line

<manager classname= "De.javakaffee.web.msm.MemcachedBackupSessionManager"

Memcachednodes= "n1:192.168.1.242:11211"

Sticky= "false"

Sessionbackupasync= "false"

Lockingmode= "Auto"

Requesturiignorepattern= ". *\. (ICO|PNG|GIF|JPG|CSS|JS) $ "

Transcoderfactoryclass= "De.javakaffee.web.msm.JavaSerializationTranscoderFactory"

/>

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3) New test page

[Email protected] ~]# vi/web/data/test.jsp

Add the following configuration

Sessionid:<%=session.getid ()%>

<BR>

Sessionip:<%=request.getservername ()%>

<BR>

Sessionport:<%=request.getserverport ()%>

<%

Out.println ("This is Tomcat Server java1!");

%>

[Email protected] ~]# vi/web/data/test.jsp

Add the following configuration

Sessionid:<%=session.getid ()%>

<BR>

Sessionip:<%=request.getservername ()%>

<BR>

Sessionport:<%=request.getserverport ()%>

<%

Out.println ("This is Tomcat Server java2!");

%>

(4) Start Tomcat

[Email protected] ~]#/usr/local/tomcat/bin/startup.sh

[Email protected] ~]#/usr/local/tomcat/bin/startup.sh

Test access Tomcat

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650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6C/79/wKiom1VJ3ufhsW2QAAETYKTPiyU008.jpg "style=" float: none; "title=" 6.png "alt=" Wkiom1vj3ufhsw2qaaetyktpiyu008.jpg "/>

(5) Start Nginx

[[email protected] ~]#/usr/local/nginx/sbin/nginx-s start

Test Access Nginx

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By visible, Nginx now load on TOMCAT2, close TOMCAT2, Access test session ID will not change.

[Email protected] ~]#/usr/local/tomcat/bin/shutdown.sh

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By visible, Nginx now load on TOMCAT1, at this time the session ID has not changed, indicating that the sharing is successful.

This article is from the "Linux art (q Group: 1991706)" blog, please be sure to keep this source http://304076020.blog.51cto.com/7503470/1643526

Nginx+tomcat+memcached for Tomcat cluster and session sharing