November 2014
Beginner to intermediate
326 pages
7h 4m
English
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HBase node management
In this section, we will discuss adding (commissioning) and removing (decommissioning) nodes from an HBase cluster.
Commissioning
Let's discuss the commissioning of nodes in an HBase cluster.
Prepare the machine, check the permissions twice, and check the connectivity, host entry, and host resolution. Once done and twice checked, copy the configuration file following the same path structure at the new machine, and start RegionServer using the following command:
hbase-daemon.sh start regionserver
Once this command is executed, RegionServer will automatically register with HMaster and start receiving local data. At the beginning, the newly added node will not have any data, and if balancer is not disabled, it will start moving ...
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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.