June 2017
Beginner to intermediate
404 pages
8h 22m
English
Content preview from Learning Elasticsearch
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Configuring file descriptors
If you installed Elasticsearch using a DEB/RPM package, this setting is configured automatically. This configuration only applies to Linux and Mac OS. In UNIX operating system, everything is a file including a network connection. A file descriptor is nothing but a handler to the file assigned by the operating system. Once a file is opened, a file descriptor, which is an integer, is assigned to the file. As you index documents, under the covers they are written to Apache Lucene segments. Apache Lucene uses a lot of files to operate. Also, Elasticsearch uses a lot of file descriptors for network communications as the nodes need to communicate with each other. The default number of file descriptors the operating ...
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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.