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HBase Administration Cookbook
book

HBase Administration Cookbook

by Yifeng Jiang
August 2012
Intermediate to advanced content levelIntermediate to advanced
332 pages
7h 3m
English
Packt Publishing
Content preview from HBase Administration Cookbook

Troubleshooting tools

In order to troubleshoot an HBase cluster, besides a solid knowledge of the cluster you are operating, the tools you use are also important. We would like to recommend the following troubleshooting tools:

  • ps: This can be used to find the top process that used the most memory and CPU
  • ClusterSSH tool: This tool is used to control multiple SSH sessions simultaneously
  • jps: This tool shows the Java processes for the current user
  • jmap: This tool prints the Java heap summary
  • jstat: This is the Java Virtual Machine statistics monitoring tool
  • hbase hbck: This tool is used for checking and repairing region consistency and table integrity
  • hadoop fsck: This tool is used for checking HDFS consistency

We will describe sample usage of these tools, ...

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Publisher Resources

ISBN: 9781849517140Other