How Disqus Went Realtime With 165K Messages Per Second And Less Than .2 Seconds Latency

How do you add realtime functionality to a web scale application? That’s what Adam Hitchcock, a Software Engineer at Disqus talks about in an excellent talk: Making DISQUS Realtime. Disqus had to take their commenting system and add realtime capabilities to it. Not something that’s easy to do when at the time of the talk (2013) they had had just hit a billion unique visitors a month.

What Disqus developed is a realtime commenting system called “realertime” that was tested to handle 1.5 million concurrently connected users, 45,000 new connections per second, 165,000 messages/second, with less than .2 seconds latency end-to-end.

Please click here to read rest of the article. This article was published at Highscalability.com.

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