配置terracotta高可用集群

最新推荐文章于 2020-09-06 00:23:37 发布

iteye_19333

最新推荐文章于 2020-09-06 00:23:37 发布

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分类专栏： java 文章标签： XML

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本文详细介绍Terracotta高可用性(HA)集群的配置步骤，包括创建配置文件tc-config.xml，设置多个服务器节点及日志路径，并通过命令行加载配置文件及启动Terracotta服务器。确保session数据在故障转移时的连续性和一致性。

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由于terracotta肩负着保存session的重任，如果一旦down掉，所有的用户session将会丢失，所以terracotta要做ha。
terracotta集群配置也非常简单
1, 创建一个tc-config.xml文件，如下


<?xml version="1.0" encoding="UTF-8"?>
<!-- All content copyright Terracotta, Inc., unless otherwise indicated.      All rights reserved. -->
<tc:tc-config xsi:schemaLocation="http://www.terracotta.org/schema/terracotta-5.xsd" 
xmlns:tc="http://www.terracotta.org/config" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

  <servers>
    <!-- Sets where the Terracotta server can be found. Replace the value of          host with the server's IP address. -->
    <server host="10.192.33.93" name="Server1">
      <data>%(user.home)/terracotta/server-data</data>
      <logs>%(user.home)/terracotta/server-logs</logs>
    </server>
    <!-- If using a standby Terracotta server, also referred to as an ACTIVE-PASSIVE configuration, add the second server here. -->
    <server host="10.192.33.94" name="Server2">
      <data>%(user.home)/terracotta/server-data</data>
      <logs>%(user.home)/terracotta/server-logs</logs>
    </server>

	<server host="192.168.1.100" name="Server3">
      <data>%(user.home)/terracotta/server-data</data>
      <logs>%(user.home)/terracotta/server-logs</logs>
    </server>

	<server host="192.168.1.101" name="Server4">
      <data>%(user.home)/terracotta/server-data</data>
      <logs>%(user.home)/terracotta/server-logs</logs>
    </server>
<!-- If using more than one server, add an <ha> section. -->
    <ha>
       <mode>networked-active-passive</mode>
       <networked-active-passive>
               <election-time>5</election-time>
       </networked-active-passive>
    </ha>
  </servers>
  <!-- Sets where the generated client logs are saved on clients. -->  
  <clients>
    <logs>%(user.home)/terracotta/client-logs</logs>
  </clients>
</tc:tc-config>