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JEAP 6 - Domain 啟動 Cluster

又拖稿了.... 請不要催促我咩,因為公司的事情很多!

要啓動Domain 的Cluster 很簡單!
只要先學會如何將Domain 啓動的話!如果你不知道,可以先參考之前的文章!

這次的做法會將main-server-group 做成一個Cluster (下圖的Cluster One),
other-server-group 做一個Cluster (下圖的Cluster Two),
但是third-server-group 就還是保留一臺!

首先,要將main-server-group 與other-server-group 設定為 Cluster,
跟之前Domain 起動是一樣的!只是Profile 的部分,由 default 改為 full-ha 或是 ha 即可!
當然使用的socket 也要改成是 full-ha-socket 或是 ha-socket.

所以,到第一臺,也就是設定domain.xml 的地方,
打開domain.xml 到設定server-group 的地方,將 main-server-group 與 other-server-group 的 profile 改成 full-ha

接下來,因為Cluster 不只是web 的部分,還有HornetQ 所以還要修改一下設定才不會出 error log. 一樣在domain.xml中, 看自己是用哪一個profile. 如果你是用 ha 請看 ha profile 底下的,我的sample 是 full-ha 所以我就修改 full-ha profile 下的 jboss-messaging subsystem.

接下來這個步驟是optional, 也就是不一定要做,但是如果你之後要用apache 去做load balance 的話,請記得設定每個server 一個獨立的instance id.
在你的 profile 下的 web subsystem 上增加instance-id 的設定

<subsystem xmlns="urn:jboss:domain:web:1.1" default-virtual-server="default-host" native="false" instance-id="${}">
     <connector name="http" protocol="HTTP/1.1" scheme="http" socket-binding="http"/>
     <connector name="ajp" protocol="AJP/1.3" scheme="http" socket-binding="ajp"/>

這樣大致的設定就完成了! 你會發現,一但你定義好了 server-group, 增加 instance 或一次修改 server group 的設定變得簡單很多!
之後就可以跟先前一樣,呼叫 or domain.bat 去執行了!

第一台 ./

第二台 ./

到Console上確實可以出現兩個Host 的資料,裡面也各有屬於自己的server instance.

另外,也可以看到定義的三個不同的server group.

Deploy 程式,請用Web-console 或是 cli deploy喔!



Could u translate this in English...tq

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