November 2014
Beginner to intermediate
326 pages
7h 4m
English
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Summary
In this chapter, we learned that we should run more than one instance of HMaster for high availability and whether we can run two to three HMasters per rack if the cluster is big enough. We should run separate instances of five to seven ZooKeepers on separate hardware machines in a production cluster. Some ZooKeepers can be cohosted (on a production cluster, ZooKeeper machines must be hosted separately). We should keep the time synchronized between all the nodes in an HBase cluster. Run HBasehbck, which checks HBase and tells us if there are any errors in HBase; also, we should make it as a cron job to see the status of the cluster. Run the HBase balancer with data throughout the region server; how to do this will be discussed in Chapter ...
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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.