April 2019
Beginner to intermediate
244 pages
6h 34m
English
Content preview from Programming EctoBecome 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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Chapter 17Tuning for Performance
Ecto gives good performance without the programmer having to think too much about it. The developers of Ecto have put a lot of effort into making it perform well by default, from the higher-level APIs all the way down to the database drivers.
By using macros for its query API, Ecto can compile your queries when your application is compiled. This reduces runtime processing, and allows Ecto to catch query errors early on. Ecto also maintains a cache of prepared queries, greatly reducing the number of times the query has to be prepared and planned by Ecto and the database.
And of course, Ecto sits on top of the Erlang VM, and harnesses the many features it provides to keep your code stable and performant.
It’s ...
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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.
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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.