November 2014
Beginner to intermediate
326 pages
7h 4m
English
Content preview from Learning HbaseBecome 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,
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Calculating the data size stored in HBase
In the case of any database, whether it is RDBMS or NoSQL, we always need to find out the record size in order to plan the storage size needed, or to in order do a capacity planning. Even a few bytes per record might bring drastic changes to the data storage size that we estimate. For example, suppose we have one extra byte attached to each record, and we have around one billion records, and this extra byte requires around 1 GB of storage space on the disk.
Now, let's consider this data size calculation in case of HBase. Let's consider a table named employee, where we have fields such as the row key, the column family, the column, and the value. In HBase, each value is stored as fully qualified, so for ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.