May 2017
Beginner to intermediate
596 pages
15h 2m
English
Content preview from Data Lake for Enterprises
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Elasticsearch - master node
Any node in a cluster is eligible to become the master node if the node.master property is set to true in the elasticsearch.yml file. Once the master node is elected automatically by the cluster, this node is entrusted with some key responsibilities, as follows:
- Allocate of shards across various nodes within the cluster.
- Create and delete indexes.
- Broadcast the cluster state to all the nodes in the cluster and in turn receives confirmations from each of those nodes back.
- Take necessary actions when a node joins or leaves the cluster.
- Ping all the nodes periodically and all nodes ping back the master periodically. If the master fails due to any reason, one of the other master-eligible nodes is elected as master ...
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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.