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Hadoop 2.x Administration Cookbook by Gurmukh Singh

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HBase troubleshooting

In this recipe, we will look at HBase troubleshooting and how to identify some of the common issues in the HBase cluster.

Getting ready

Make sure that the user has completed the Setting up multi-node HBase cluster recipe in Chapter 9, HBase Administration for this section, and the assumption is that HDFS and YARN are working fine. Refer to previous recipes to troubleshoot any issues with the Hadoop cluster, before starting troubleshooting of HBase.

How to do it...

  1. Connect to the master1.cyrus.com master node and switch to user hadoop.
  2. Firstly, make sure ZooKeeper is up and the ensemble is healthy, as shown in the following screenshot — this is only if an external ZooKeeper is used:
  3. Rather than starting the entire cluster in one ...

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