Simon Willison’s Weblog

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Friday, 26th June 2020

How CDNs Generate Certificates. Thomas Ptacek (now at Fly) describes in intricate detail the challenges faced by large-scale hosting providers that want to securely issue LetsEncrypt certificates for customer domains. Lots of detail here on the different ACME challenges supported by LetsEncrypt and why the new tls-alpn-01 challenge is the right option for operating at scale.

# 12:03 am / acme, certificates, thomas-ptacek, tls, fly

Weeknotes: cookiecutter templates, better plugin documentation, sqlite-generate

I spent this week spreading myself between a bunch of smaller projects, and finally getting familiar with cookiecutter. I wrote about my datasette-plugin cookiecutter template earlier in the week; here’s what else I’ve been working on.

[... 703 words]

Reducing search indexing latency to one second. Really detailed dive into the nuts and bolts of Twitter’s latest iteration of search indexing technology, including a great explanation of skip lists.

# 5:06 pm / data-structures, lucene, scaling, search, twitter

2020 » June

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