• topology.sh配置文件

    #!/bin/bash
    HADOOP_CONF=/home/hadoop/hadoop-2.9.2/etc/hadoop
    while [ $# -gt 0 ] ; do
    #输入参数:192.168.100.106
    args=$1
    exec<${HADOOP_CONF}/topology.data
    result=""
    while read line ; do
    ar=( $line )
    if [ "${ar[0]}" = "$arg" ]; then
    result="${ar[1]}"
    break
    fi
    done
    shift
    if [ -z "$result" ] ; then
    echo -n "/default-rack"
    else
    echo -n "$result"
    fi
    done

    • hdfs-site.xml 配置文件：

    <property>
    <name>dfs.namenode.name.dir</name>
    <value>file:/home/hadoop/hadoop-2.9.2/hdfs/name</value>
    </property>
    <br />
    <property>
    <name>dfs.datanode.data.dir</name>
    <value>file:/home/hadoop/hadoop-2.9.2/hdfs/data</value>
    </property>
    <br />
    <property>
    <name>dfs.replication</name>
    <value>2</value>
    </property>
    <br />
    <property>
    <name>dfs.webhdfs.enabled</name>
    <value>true</value>
    </property>
    <br />
    <property>
    <name>dfs.nameservices</name>
    <value>clusterA</value>
    </property>
    <br />
    <property>
    <name>dfs.ha.namenodes.clusterA</name>
    <value>nn1,nn2</value>
    </property>
    <br />
    <property>
    <name>dfs.namenode.rpc-address.clusterA.nn1</name>
    <value>master:9000</value>
    </property>
    <br />
    <property>
    <name>dfs.namenode.http-address.clusterA.nn1</name>
    <value>master:50070</value>
    </property>
    <br />
    <property>
    <name>dfs.namenode.rpc-address.clusterA.nn2</name>
    <value>master-st:9000</value>
    </property>
    <br />
    <property>
    <name>dfs.namenode.http-address.clusterA.nn2</name>
    <value>master-st:50070</value>
    <br />
    <property>
    <name>dfs.namenode.shared.edits.dir</name>
    <value>qjournal://master:8485;clz1:8485;clz2:8485/clusterA</value>
    </property>
    <br />
    <property>
    <name>dfs.journalnode.edit.dir</name>
    <value>/home/hadoop/hadoop-2.9.2/journal</value>
    </property>
    <br />
    <property>
    <br />
    <property>
    <name>dfs.namenode.shared.edits.dir</name>
    <value>qjournal://master:8485;clz1:8485;clz2:8485/clusterA</value>
    </property>
    <br />
    <property>
    <name>dfs.journalnode.edit.dir</name>
    <value>/home/hadoop/hadoop-2.9.2/journal</value>
    </property>
    <br />
    <property>
    <name>dfs.ha.automatic-failover.enabled.clusterA</name>
    <value>true</value>
    </property>
    <br />
    <property>
    <name>dfs.client.failover.proxy.provider.clusterA</name>
    <value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
    </property>
    <br />
    <property>
    <name>dfs.ha.fencing.methods</name>
    <value>
    sshfence
    shell(/bin/true)
    </value>
    </property>
    <br />
    <property>
    <name>dfs.ha.fencing.ssh.private-key-files</name>
    <value>/root/.ssh/id_dsa</value>
    </property>
    <br />
    <property>
    <name>dfs.ha.fencing.ssh.connect-timeout</name>
    <value>10000</value>
    </property>

    • core-site.xml配置文件

    <property>
    <name>fs.defaultFS</name>
    <value>hdfs://clusterA</value>
    </property>
    <br />
    <property>
    <name>io.file.buffer.size</name>
    <value>131072</value>
    </property>
    <br />
    <property>
    <name>net.topology.script.file.name</name>
    <value>/home/hadoop/hadoop-2.9.2/etc/hadoop/topology.sh</value>
    </property>
    <br />
    <property>
    <name>ha.zookeeper.quorum</name>
    <value>master:2181,clz1:2181,clz2:2181</value>
    </property>
    <br />