Simon Willison’s Weblog

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Monday, 6th December 2021

Centrifuge: a reliable system for delivering billions of events per day (via) From 2018, a write-up from Segment explaining how they solved the problem of delivering webhooks from thousands of different producers to hundreds of potentially unreliable endpoints. They started with Kafka and ended up on a custom system written in Go against RDS MySQL that was specifically tuned to their write-heavy requirements.

# 1:41 am / scaling, webhooks, segment

1.1.1.1/purge-cache (via) Cloudflare’s 1.1.1.1 DNS service has a tool that anyone can use to flush a specific DNS entry from their cache—could be useful for assisting rollouts of new DNS configurations.

# 11:15 pm / dns, cloudflare

Google Public DNS Flush Cache (via) Google Public DNS (8.8.8.8) have a flush cache page too.

# 11:17 pm / dns, google

2021 » December

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