A further phenomenal detective story printed on Cloudflare weblog:
Unbounded memory utilization by TCP for acquire buffers, and how we set it.

TL&DR: Moving TCP window just about every time you accept a phase does not function perfectly with scaled window sizes.

The attention-grabbing takeaways:

• Individuals are however locating quirks in TCP
• It normally takes an enormous total of facts to come across the anomalies, and tons of experimentation to get to the root trigger
• The answer was explicitly documented in an RFC mandating it Ought to be supported, it is just that Linux didn’t use it.
• Repairing such anomalies is unrewarding really hard do the job, unless of course you’re working in an natural environment in which owing to its scale exceptional anomalies price tag tons of dollars.

Corollary: Expect folks to go after an less complicated path to glory: invent a different alternative-in-research-of-a-dilemma although preaching how damaged networking is.