Hbase 1.2 HA配置

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我是靠谱客的博主勤劳麦片，这篇文章主要介绍Hbase 1.2 HA配置，现在分享给大家，希望可以做个参考。

在网上看到很多博客都说要配置backup-masters，实际上是不用配置的。

1、配置Hbase集群使用自带的zookeeper还是另外的zookeeper集群，我使用的是自己单独搭建的zookeeper集群，配置如下

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hbase-env.sh
# Tell HBase whether it should manage it's own instance of Zookeeper or not.
export HBASE_MANAGES_ZK=false

2、配置Zookeeper信息

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vim ${HBASE_CONF_DIR}/hbase-site.xml
<property>
          <name>hbase.zookeeper.quorum</name>
          <value>SZD-L0090345,SZD-L0090346,SZD-L0090343</value>
          <description>
                Comma separated list of servers in the ZooKeeper ensemble (This config. should have been named hbase.zookeeper.ensemble).
          For example, "host1.mydomain.com,host2.mydomain.com,host3.mydomain.com". By default this is set to localhost for local and pseudo-distributed modes 
          of operation. For a fully-distributed setup, this should be set to a full list of ZooKeeper ensemble servers. If HBASE_MANAGES_ZK is set in hbase-env.sh 
          this is the list of servers which hbase will start/stop ZooKeeper on as part of cluster start/stop.  Client-side, we will take this list of
          ensemble members and put it together with the hbase.zookeeper.clientPort config. and pass it into zookeeper constructor as the connectString parameter.
          </description>
</property>
<property>
         <name>hbase.zookeeper.property.clientPort</name>
         <value>2181</value>
         <description>Property from ZooKeeper's config zoo.cfg. The port at which the clients will connect.</description>
</property>

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vim ${HBASE_CONF_DIR}/hbase-site.xml
<property>
          <name>hbase.zookeeper.quorum</name>
          <value>SZD-L0090345,SZD-L0090346,SZD-L0090343</value>
          <description>
                Comma separated list of servers in the ZooKeeper ensemble (This config. should have been named hbase.zookeeper.ensemble).
          For example, "host1.mydomain.com,host2.mydomain.com,host3.mydomain.com". By default this is set to localhost for local and pseudo-distributed modes 
          of operation. For a fully-distributed setup, this should be set to a full list of ZooKeeper ensemble servers. If HBASE_MANAGES_ZK is set in hbase-env.sh 
          this is the list of servers which hbase will start/stop ZooKeeper on as part of cluster start/stop.  Client-side, we will take this list of
          ensemble members and put it together with the hbase.zookeeper.clientPort config. and pass it into zookeeper constructor as the connectString parameter.
          </description>
</property>
<property>
         <name>hbase.zookeeper.property.clientPort</name>
         <value>2181</value>
         <description>Property from ZooKeeper's config zoo.cfg. The port at which the clients will connect.</description>
</property>