• 原型下载：hbase balancer.ep

  <dependency>
    <groupId>org.apache.hbase</groupId>
    <artifactId>hbase</artifactId>
    <version>0.94.8</version>
  </dependency>
  

HBase balancer

• 控制balancer开启或关闭，以及手动执行balancer

  HBaseConfiguration conf = HBaseConfiguration.create();
  conf.set(HConstants.ZOOKEEPER_QUORUM, zkServer);
  HBaseAdmin admin = new HBaseAdmin(conf);
  admin.balancer(); //执行balancer
  admin.setBalancerRunning(on, true); //on = true打开，反之off
  

• 图示：balancer-simple
  

HBase region移动（HotRegion管理）

• 实现手工移动region到其他节点上的功能

  HBaseConfiguration conf = HBaseConfiguration.create();
  conf.set(HConstants.ZOOKEEPER_QUORUM, zkServer);
  HBaseAdmin admin = new HBaseAdmin(conf);
  admin.move(regionName.getBytes(), serverName.getBytes());
  

• 图示：table-payload
  

Ella: HBase Cluster Monitor on Region,Table,Server Level.

https://github.com/mayanhui/ella

?

?

?