May 2016
Beginner to intermediate
366 pages
8h 47m
English
Content preview from Mastering RedisBecome 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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Redis keyspace notifications
A common use case when using Redis is the ability for an application to respond to changes that may occur to the value stored at a particular key or keys. Fortunately, since version 2.8, Redis provides a mechanism for client code to subscribe to a Pub/Sub channel that monitors events related to data. Called keyspace notification, functionality for monitoring events like all the commands that change a given key, all keys receiving specific commands such as HSET, or all keys that are about to be deleted because of an EXPIRE command. Using Redis Pub/Sub allows existing Redis clients that already implement Pub/Sub to use keyspace notification to respond to changes in the Redis data.
When a command is issued that triggers ...
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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.