Skip to Main Content
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

Using HBase Shell to access data in HBase

HBase Shell provides Data Manipulation Language (DML) group commands to manipulate data in HBase. The DML group includes the commands count, delete, deleteall, get, get_counter, incr, put, scan, and truncate. Just as their names express, these commands provide basic access and update operations on data in HBase.

Note

HBase has a feature called counter, which is useful to build a metrics gathering system on HBase. Get_counter and incr are commands for counter operations.

The count, scan, and truncate commands may take time to finish when running them on a huge amount of data in HBase.

To count a big table, you should use the rowcounter MapReduce job, which is shipped with HBase. We will describe it in the ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

HBase High Performance Cookbook

HBase High Performance Cookbook

Ruchir Choudhry
Hbase Essentials

Hbase Essentials

Nishant Garg
Learning Hbase

Learning Hbase

Shashwat Shriparv

Publisher Resources

ISBN: 9781849517140Other