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大数据集群环境搭建之一 hadoop-ha高可用安装(一)
2019-10-10 18:15:10 】 浏览:258
Tags:数据 集群 环境 搭建 之一 hadoop-ha 可用 安装

1、如果你使用root用户进行安装。 vi /etc/profile 即可 系统变量

2、如果你使用普通用户进行安装。 vi ~/.bashrc 用户变量

export HADOOP_HOME=/export/servers/hadoop-2.8.5

export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:

同步配置文件

[root@jiang01 servers]# vi /etc/profile

[root@jiang01 servers]#

[root@jiang01 servers]# xrsync.sh /etc/profile

=========== jiang02 : /etc/profile ===========

命令执行成功

=========== jiang03 : /etc/profile ===========

命令执行成功

[root@jiang01 servers]#

刷新配置各个机器配置:

source /etc/profile

修改下面各个配置文件:

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  Licensed 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. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
        <!-- 指定hdfs的nameservice为ns1 -->
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://myha01/</value>
    </property>
        <!-- 指定hadoop临时目录 -->
    <property>
        <name>hadoop.tmp.dir</name>
        <value>/export/servers/hadoop-2.8.5/hadoopDatas/tempDatas</value>
    </property>
        <!-- 指定zookeeper地址 -->
    <property>
        <name>ha.zookeeper.quorum</name>
        <value>jiang01:2181,jiang02:2181,jiang03:2181</value>
    </property>
</configuration>
core-site.xml
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  Licensed 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. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
    <!--指定hdfs的nameservice为ns1,需要和core-site.xml中的保持一致 -->
    <property>
        <name>dfs.nameservices</name>
        <value>myha01</value>
    </property>
    <!-- ns1下面有两个NameNode,分别是nn1,nn2 -->
    <property>
        <name>dfs.ha.namenodes.myha01</name>
        <value>nn1,nn2</value>
    </property>
    <!-- nn1的RPC通信地址 -->
    <property>
        <name>dfs.namenode.rpc-address.myha01.nn1</name>
        <value&
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