October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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HDFS
HDFS is a distributed scalable filesystem written in Java for the Hadoop processing framework. HDFS is not a fully POSIX-compliant filesystem and does not offer a block interface. The reliability of HDFS is of concern as it lacks high availability. The single NameNode in HDFS is a SPoF and performance bottleneck. HDFS is again suitable, primarily storing a small number of large files rather than the mix of small and large files at scale that modern deployments demand.
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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.