分散式環境的簡單搭建
需要的工具:Nginx、tomcat、memcached。
Nginx:連結:http://pan.baidu.com/s/1sl5HjXz 密碼:duk8
tomcat:連結:http://pan.baidu.com/s/1dEQijFN 密碼:h3ba
memcached:連結:http://pan.baidu.com/s/1nvoUwIX 密碼:jl48
memcached只是練習的時候用的,後面用的更多的是redis。
這個Tomcat裡面已經配置的有memcached的包了,下面有一步就不需要了。
1.1 安裝Nginx (解壓縮nginx-1.9.2.zip, 路徑中不能包含中文名稱)
將【
1.2 安裝Tomcat伺服器(解壓縮tomcat.zip),建立兩個伺服器,埠號設定為分別為 8080,8181
將【tomcat.zip】解壓到【D:\Server\tomcat1】【D:\Server\tomcat2】
修改其中一個Tomcat的埠配置:分別修改為
8005,8080,8009;
8105,8181,8109;
1.3 修改Nginx伺服器中的檔案:conf/nginx.conf
- 解除Line34註釋,增加對應埠號。配置多伺服器叢集
- L48行,監聽服務埠,當用戶訪問此埠時,進行反向代理服務
- 修改L66, L70行,設定靜態資源訪問路徑
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 2048;
}
http {
include mime.types;
default_type application/octet-stream;
client_max_body_size 100m;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
gzip on;
gzip_min_length 1000;
gzip_types text/plain text/css application/x-javascript;
upstream localhost {
#ip_hash;
server 127.0.0.1:8181;
server 127.0.0.1:8080;
}
proxy_redirect off;
proxy_connect_timeout 300;
proxy_send_timeout 300;
proxy_read_timeout 300;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
server {
listen 80;
server_name localhost;
location / {
proxy_connect_timeout 3;
proxy_send_timeout 30;
proxy_read_timeout 30;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header REMOTE-HOST $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_pass http://localhost;
}
location ~* \.(eot|otf|ttf|woff|woff2|svg)$ {
gzip_static on;
expires max;
add_header Cache-Control public;
add_header Access-Control-Allow-Origin *;
root D:/resources/cpes;
}
location ~ \.(zip|rar|js|css|png|gif|jpeg|jpg|bmp|mp4|mp3|ico|doc|docx|xls|ppt|xlsx|pptx|swf|xml|flv|html|pdf|properties)$ {
root D:/resources/cpes;
}
}
}
1.4 安裝memcached (以管理員身份開啟命令列視窗)
- 安裝memcached
- D:\Server\memcached\memcached.exe -d install
- 啟動memcached的服務
- D:\Server\memcached\memcached.exe -d start
- 如果需要關閉memcached的服務
- D:\Server\memcached\memcached.exe -d stop|shutdown
1.5 修改Tomcat伺服器配置檔案context.xml,加入
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
memcachedNodes="n1:127.0.0.1:11211"
sticky="false"
sessionBackupAsync="false"
requestUriIgnorePattern=".*\.(ico|png|gif|jpg|jpeg|bmp|css|js|html|htm)$"
transcoderFactoryClass="de.javakaffee.web.msm.serializer.kryo.KryoTranscoderFactory"
/>
1.6 拷貝jar包到Tomcat伺服器lib資料夾中
memcached-session-manager-1.6.3.jar
memcached-session-manager-tc7-1.6.3.jar
1.7 啟動服務
(1)啟動Nginx, 工作管理員中出現nginx.exe,啟動成功
(2)分別啟動Tomcat
- 雙擊啟動:(不能設定Tomcat系統變數CATALINDA_HOME環境變數,否則啟動時查詢的Tomcat為環境變數所設定的Tomcat)
- D:\Server\tomcat1\bin\startup.bat
- D:\Server\tomcat2\bin\startup.bat
1.8 測試負載均衡(nginx反向代理)
- 在兩個Tomcat下增加jsp頁面
- D:\Server\tomcat1\webapps\ROOT\index.jsp
- 內容:Tomcat 1 JSP
- D:\Server\tomcat2\webapps\ROOT\index.jsp
- 內容:Tomcat 2 JSP
- D:\Server\tomcat1\webapps\ROOT\index.jsp
- 開啟瀏覽器:多次重新整理頁面,顯示的頁面內容為不同的Tomcat伺服器下的部署專案資源