April 05, 2022 1:57PM
PIPEFAIL: How a missing shell option slowed Cloudflare down
Post Mortem Outage Deep Dive Speed & ReliabilityThis post tells the story of how a missing shell option called “pipefail” slowed Cloudflare down....
March 20, 2022 4:58PM
Unlocking QUIC’s proxying potential with MASQUE
Proxying Content Security Policy Deep Dive Research QUICWe continue our technical deep dive into traditional TCP proxying over HTTP...
March 19, 2022 5:01PM
A Primer on Proxies
Deep Dive TCP Proxying Research iCloud Private RelayA technical dive into traditional TCP proxying over HTTP...
February 04, 2022 1:58PM
Missing Manuals - io_uring worker pool
Kernel Linux io_uring aio Deep DiveChances are you might have heard of io_uring. It first appeared in Linux 5.1, back in 2019, and was advertised as the new API for asynchronous I/O. Its goal was to be an alternative to the deemed-to-be-broken-beyond-repair AIO, the “old” asynchronous I/O API...
February 02, 2022 9:53AM
How to stop running out of ephemeral ports and start to love long-lived connections
Deep Dive UDP TCP Linux NetworkingOften programmers have assumptions that turn out, to their surprise, to be invalid. From my experience this happens a lot. Every API, technology or system can be abused beyond its limits and break in a miserable way...
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