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Queues Don't Fix Overload

ferd.ca · 1,893 words · saved by 1 readers

People misuse queues all the time. The most egregious case being to fix issues with slow apps, and consequently, with overload. But to say why, I'll need to take bits of talks and texts I have around the place, and content that I have written in more details about in Erlang in Anger. To oversimplify things, most of the projects I end up working on can be visualized as a very large bathroom sink. User and data input are flowing from the faucet, down 'till the output of the system: So under normal operations, your system can handle all the data that comes in, and carry it out fine: Water goes in, water goes out, everyone's happy. However, from time to time, you'll see temporary overload on your system. If you do messaging, this is going to be around sporting events or events like New Year's Eve. If you're a news site, it's gonna be when a big thing happens (Elections in the US, Royal baby in the UK, someone says they dislike French as a language in Quebec). During that time, you may expe

2014/11/19 Queues Don't Fix Overload OK, queues. People misuse queues all the time. The most egregious case being to fix issues with slow apps, and consequently, with overload. But to say why, I'll need to take bits of talks and texts I have around the place, and content that I have written in more details about in Erlang in Anger . To oversimplify things, most of the projects I end up working on can be visualized as a very large bathroom sink. User and data input are flowing from the faucet, down 'till the output of the system: So under normal operations, your system can handle all the d

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