July 2015
Intermediate to advanced
192 pages
3h 38m
English
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Autocomplete in Elasticsearch
Autocomplete provides suggestions while you type in a field. This feature is immensely helpful during search operations as it saves a user's time and also enables them to see various other related options in a single stretch. A prefix query is one way to implement this. A prefix query matches documents that have fields containing terms with the same prefix.
It is natural for you to think why we don't use a prefix query to solve the autocomplete problem or rather, what is the requirement for a separate API and module to implement autocomplete. The primary reason here is performance. The ideal data structure for autocomplete would be finite state automata (FST), which is explained in the following section, but then we ...
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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.