core-site.xml

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
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<!-- Put site-specific property overrides in this file. -->

<configuration>
<!-- 指定hdfs的nameservice名称空间为ns -->
<property>
<name>fs.defaultFS</name>
<value>hdfs://ns</value>
</property>
<!-- 指定hadoop临时目录,默认在/tmp/{$user}目录下，不安全，每次开机都会被清空-->
<property>
<name>hadoop.tmp.dir</name>
<value>/usr/local/hadoop/hdpdata/</value>
<description>需要手动创建hdpdata目录</description>
</property>
<!-- 指定zookeeper地址 -->
<property>
<name>ha.zookeeper.quorum</name>
<value>node01:2181,node02:2181,node03:2181</value>
<description>zookeeper地址，多个用逗号隔开</description>
</property>
</configuration>