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Hbase环境搭建
hadoop为HA的Hbase配置
Zookeeper集群的正常部署并启动
$ /usr/local/src/zookeeper-3.4.5-cdh5.3.6/bin/zkServer.sh start
Hadoop集群的正常部署并启动
$ /usr/local/src/hadoop-2.5.0-cdh5.3.6/sbin/start-dfs.sh
$ /usr/local/src/hadoop-2.5.0-cdh5.3.6/sbin/start-yarn.sh
解压HBase
$ tar -zxf /opt/cdh/hbase-0.98.6-cdh5.3.6.tar.gz -C /usr/local/src/
修改HBase配置文件
- 修改hbase-env.sh文件
export JAVA_HOME=/usr/local/src/jdk1.8.0_121/
export HBASE_MANAGES_ZK=false
- 修改hbase-site.xml文件
<!--指定hbase的根目录，mycluster：高可用hdfs名称-->
<property>
<name>hbase.rootdir</name>
<value>hdfs://mycluster/hbase</value>
</property>
<!--是否运行在完全分布式中-->
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<!---高可用集群中只配置端口号就行，如果是单节点，则指明机器名-->
<property>
<name>hbase.master</name>
<value>60000</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>master:2181,slave1:2181,slave2:2181</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/usr/local/src/zookeeper-3.4.5-cdh5.3.6/dataDir</value>
</property>
- 修改regionservers文件
master
slave1
slave2
替换HBase根目录下的lib目录下的jar包，以解决兼容问题
-
删除原有Jar包以及zookeeper的jar包
$ rm -rf /usr/local/src/hbase-0.98.6-cdh5.3.6/lib/hadoop-*$ rm -rf lib/zookeeper-3.4.6.jar
拷贝新的Jar包
这里涉及到的jar包大概是：
hadoop-annotations-2.5.0.jar
hadoop-auth-2.5.0-cdh5.3.6.jar
hadoop-client-2.5.0-cdh5.3.6.jar
hadoop-common-2.5.0-cdh5.3.6.jar
hadoop-hdfs-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-app-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-common-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-core-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-hs-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-hs-plugins-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-jobclient-2.5.0-cdh5.3.6.jar
hadoop-mapreduce-client-jobclient-2.5.0-cdh5.3.6-tests.jar
hadoop-mapreduce-client-shuffle-2.5.0-cdh5.3.6.jar
hadoop-yarn-api-2.5.0-cdh5.3.6.jar
hadoop-yarn-applications-distributedshell-2.5.0-cdh5.3.6.jar
hadoop-yarn-applications-unmanaged-am-launcher-2.5.0-cdh5.3.6.jar
hadoop-yarn-client-2.5.0-cdh5.3.6.jar
hadoop-yarn-common-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-applicationhistoryservice-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-common-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-nodemanager-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-resourcemanager-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-tests-2.5.0-cdh5.3.6.jar
hadoop-yarn-server-web-proxy-2.5.0-cdh5.3.6.jar
zookeeper-3.4.5-cdh5.3.6.jar
将Hadoop配置文件软连接到HBase的conf目录下
$ ln -s /usr/local/src/hadoop-2.5.0-cdh5.3.6/etc/hadoop/core-site.xml /usr/local/src/hbase-0.98.6-cdh5.3.6/conf/core-site.xml
$ ln -s /usr/local/src/hadoop-2.5.0-cdh5.3.6/etc/hadoop/hdfs-site.xml /usr/local/src/hbase-0.98.6-cdh5.3.6/conf/hdfs-site.xml
将整理好的HBase安装目录scp到其他机器节点
启动服务
$ bin/hbase-daemon.sh start master
$ bin/hbase-daemon.sh start regionserver
或者：
$ bin/start-hbase.sh
对应的停止命令：
$ bin/stop-hbase.sh
查看页面验证是否启动成功
HMaster的高可用
确保HBase集群已正常停止
$ bin/stop-hbase.sh在conf目录下创建backup-masters文件
$ touch conf/backup-masters在backup-masters文件中配置高可用HMaster节点
$ echo slave1 > conf/backup-masters拷贝到其他节点的机器
打开页面测试
测试http://master:60010尝试关闭第一台机器的HMaster
$ bin/hbase-daemon.sh stop master
然后查看第二台的HMaster是否会直接启用