Tag: server

How to handle a service overload? Just turn features off…at least that is what Facebook does

By Simon Last updated:
How to handle a service overload? Just turn features off…at least that is what Facebook does

Silav, kesê bijare, everyone working in large scale infrastructure (e.g. as SRE) experienced this situation: The system gets overloaded due to a one (or worst-case many consecutive) of the following conditions: In all of this…

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Google, but the private way. Using homomorphic encryption to fix the internet

By Simon Last updated:

I thought I understood one core principle of encryption: You take clear text, encrypt it, and now that encrypted gibberish can’t be worked with until it is decrypted again. THIS IS WRONG. There is a…

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Protecting the DNS Root servers against DDoS attacks

By Simon Last updated:
Protecting the DNS Root servers against DDoS attacks

สวัสดีที่รัก, you might know there are 13 root DNS server (okay, actually server clusters with anycast routing, but let’s assume there are actually 13 physical servers). These serve as the backbone of the modern internet…

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Push is faster than pull, HTTP/2 server push

By Simon Last updated:

aruntt’apxsmawa munat kullaka, I am currently playing around with HTTP/2 and trying to figure out if and what performance benefits it brings. One interesting feature I found is the possibility to push data from the…

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Making WordPress faster the hardcore way: Optimizing Memcached with in-kernel caching

By Simon Last updated:

nyob zoo tus hlub, in my blog I am cheating a little for performance as I have heavy Cloudflare caching in front of it, but the default optimization for WordPress is using Memcached, a widely…

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