Thoughts on systems safety, software operations, and sociotechnical systems.
Awhile back, I said I’d love to have a tool that would allow me to peek inside filesystem cache and tell me what files (or pages of files) are inside. Well Peter Zaitsev points to the fincore tool, which comes pretty damn close: you give it a file, and it will tell you which pages […]
After seeing Jesse’s great post on Radar (never knew about FreeConferenceCall, very cool!) about the quick and easy webops event communications, I thought I might put a post together on some of what we’re using at Flickr to keep track of things ops-related. Production Changes/Immediate Issues We have our configuration management schemes wrapped up in […]
I don’t think that these have been built yet by anyone, but I want these: 1. Swap Inspection Tool – a utility that can simply peer into swap space and tell me whatever it can about what is using it. PIDs, process names, anything. I know it’s just a snapshot, and it could all change […]
This looks promising and potentially wickedly awesome: http://www.linuxvirtualserver.org/software/tcpsp/ Has anyone played with this yet in a production environment ?