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Hbase環境搭建

• Hbase環境搭建
  • hadoop為HA的Hbase配置
    • Zookeeper集群的正常部署並啟動
    • Hadoop集群的正常部署並啟動
    • 解壓HBase
    • 修改HBase配置文件
    • 替換HBase根目錄下的lib目錄下的jar包，以解決兼容問題
    • 將Hadoop配置文件軟連接到HBase的conf目錄下
    • 將整理好的HBase安裝目錄scp到其他機器節點
    • 啟動服務
    • 查看頁面驗證是否啟動成功
    • HMaster的高可用

hadoop為HA的Hbase配置

Zookeeper集群的正常部署並啟動

$ /usr/local/src/zookeeper-3.4.5-cdh5.3.6/bin/zkServer.sh start

Hadoop集群的正常部署並啟動

$ /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

解壓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的根目錄，mycluster：高可用hdfs名稱-->
    <property>
        <name>hbase.rootdir</name>
        <value>hdfs://mycluster/hbase</value>
    </property>

    <!--是否運行在完全分布式中-->
    <property>
        <name>
 
hbase.cluster.distributed</name>
        <value>true</value>
    </property>

    <!---高可用集群中只配置端口號就行，如果是單節點，則指明機器名-->
    <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

替換HBase根目錄下的lib目錄下的jar包，以解決兼容問題

• 刪除原有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

• 拷貝新的Jar包
  這裏涉及到的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

將Hadoop配置文件軟連接到HBase的conf目錄下

$ 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

將整理好的HBase安裝目錄scp到其他機器節點

啟動服務

$ bin/hbase-daemon.sh start master

$ bin/hbase-daemon.sh start regionserver

或者：
$ bin/start-hbase.sh

對應的停止命令：
$ bin/stop-hbase.sh

查看頁面驗證是否啟動成功

http://192.168.159.30:60010

HMaster的高可用

• 確保HBase集群已正常停止
  $ bin/stop-hbase.sh

• 在conf目錄下創建backup-masters文件
  $ touch conf/backup-masters

• 在backup-masters文件中配置高可用HMaster節點
  $ echo slave1 > conf/backup-masters

• 拷貝到其他節點的機器

• 打開頁面測試
  測試http://master:60010

• 嘗試關閉第一臺機器的HMaster
  $ bin/hbase-daemon.sh stop master
  然後查看第二臺的HMaster是否會直接啟用

Hbase環境搭建