Chapter 7. Troubleshooting

In this chapter, we will cover:

  • Troubleshooting tools
  • Handling the XceiverCount error
  • Handling the "too many open files" error
  • Handling the "unable to create new native thread" error
  • Handling the "HBase ignores HDFS client configuration" issue
  • Handling the ZooKeeper client connection error
  • Handling the ZooKeeper session expired error
  • Handling the HBase startup error on EC2

Introduction

Everyone expects their HBase cluster to run smoothly and steadily, but the cluster does not work as expected sometimes, especially when a cluster has not been well configured. This chapter describes things you can do to troubleshoot a cluster that is running in an unexpected status.

Before you start troubleshooting a cluster, it is better to get ...

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