November 2014
Beginner to intermediate
164 pages
3h 32m
English
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Understanding HBase cluster components
In fully distributed and pseudo-distributed modes, a HBase cluster has many components such as HBase Master, ZooKeeper, RegionServers, HDFS DataNodes, and so on, discussed as follows:
- HBase Master: HBase Master coordinates the HBase cluster and is responsible for administrative operations. It is a lightweight process that does not require too many hardware resources. A large cluster might have multiple HBase Master components to avoid cases that have a single point of failure. In this highly available cluster with multiple HBase Master components, only once HBase Master is active and the rest of HBase Master servers get in sync with the active server asynchronously. Selection of the next HBase Master in case ...
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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.