devops

Accelerate: The Science of Lean Software and DevOps: Building and Scaling High Performing Technology Organizations. I feel like Accelerate was an OK book. I picked this book up after seeing it recommended from Charity’s blog. I was hopeful for some mind blowing content, but it mostly provided confirmation of some truths I’ve encountered in industry a decade ago. What I liked: Research-backed conclusions about engineering methodologies. The book provides a reader some vocabulary, techniques, research, and links to business outcomes....

I’ve seen a couple of automated remediation tools get some coverage lately: FBAR Stack Storm And both have received interesting threads on Hacker News. One HN commenter that stood out (bigdubs): I don’t like being the voice of the purist in this, but this seems like a bandaid on a bullet wound. For most of the cases where this would seem to be useful there is probably a failure upstream of that usage that should really be fixed....

Measure all the things! Graphite & statsd are my weapons of choice. One set of metrics in particular that we wanted to measure are the various TCP stats, including TCP Retransmit rate. We crafted a Python script to send all of the metrics in a single UDP packet and hit a weird scenario. The python script was all ready to roll except that StatsD was only logging one metric. All of the metric packets were arriving at the StatsD instance, but only one was being processed....

Ever have an exchange like this? Q: What happened on this service? A: We can’t keep logs on the server past 2 months. Those logs are gone. Just about every IaaS out there has an object store. Amazon offers S3 and OpenStack providers have Swift. Why not just point logrotate at one of those object stores? That’s just what I’ve done with Swiftrotate. It’s a simple shell script to use with logrotate....