February 2017
Intermediate to advanced
696 pages
12h 24m
English
Content preview from Elasticsearch 5.x Cookbook - Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using index aliases
Real-world applications have a lot of indices and queries that span on more indices. This scenario requires defining all the indices names on which queries; aliases allow grouping them in a common name.
Some common scenarios of this usage are as follows:
- Log indices divided by date (that is,
log_YYMMDD) for which we want to create an alias for the last week, the last month, today, yesterday, and so on. This pattern is commonly used in log applications such as Logstash (http://logstash.net/). - Collecting website contents in several indices (New York Times, The Guardian, ...) for those we want refers as an index alias called sites.
Getting ready
You need an up-and-running Elasticsearch installation, as used in the Downloading and installing ...
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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.