Latest posts tagged with #fallocate on Bluesky
I'm shocked: it seems that Btrfs NoCOW can provide weak data integrity and lead to corruption, especially when combined with fallocate. Even if NoCOW sounds like a good idea for certain files, it can be a recipe for unexpected data corruption. #linux #sysadmin #btrfs #corruption #fallocate #nocow
Ersatz social image for the article; screenshot of title and abstract: " Let the kernel do the work! Tricks for implementing a pub/sub server This post explains the design of jetrelay, a pub/sub server compatible with Bluesky’s “jetstream” data feed. Using a few pertinent Linux kernel features, it avoids doing almost any work itself. As a result, it’s highly efficient: it can saturate a 10 Gbps network connection with just 8 CPU cores. May 2025 "
All you never wanted to know about creating fast socket I/O on #Linux. Unless you are a real geek.
A small, ultra-high performance publish-subscribe server doing kind of TCP #multicast using #sendfile, #io_uring, #splice, (mapped) files, and #fallocate for […]
[Original post on waldvogel.family]
