July 2017
Beginner to intermediate
340 pages
7h 43m
English
Content preview from Python Microservices Development
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Rate and concurrency limiting
Rate limiting consists of counting how many requests a server is accepting in a period of time, and rejecting new ones when a limit is reached.
Concurrency limiting consists of counting how many concurrent requests are being served by the web server to the same remote user and starting to reject new ones when it reaches a defined threshold. Since many requests can reach the server simultaneously, a concurrency limiter needs to have a small allowance in its threshold.
Both are implemented using the same technique. Let's look at how to build a concurrency limiter.
OpenResty ships with a rate limiting library written in Lua called lua-resty-limit-traffic (https://github.com/openresty/lua-resty-limit-traffic); you ...
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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.
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.