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Articles
Should you keep things anonymous (“an engineer”), or should you say exactly who did what? Here’s a solid argument for the latter.
Lorin Hochstein
This article explores the downsides to a design composed of independent parts such as with microservices.
Ephraim Baron
Uber designed a tool they call Blackbox to perform simulated user requests and measure availability. I was struck by the candid discussion of complexity — no one person can understand how all of Uber’s microservices go together.
Carissa Blossom — Uber
They’ve made a YAML specification and validator for expressing SLOs in a machine-readable format.
Mike Vizard — Devops.com
A new spin: this one makes the distinction between “experimental tools” that affect the state of the system, and “observability tools” that are read-only.
Brendan Gregg
“Contributing factors: moose and squirrel.”
JJ Tang — Rootly
Every once in awhile, I need to pull out gdb. In times like those, it’s useful to have this kind of thing floating around in the back of my mind.
Brendon Scheinman — okcupid
Outages
The same major US oil pipeline mentioned here last week is still having network issues.
Binance and Coinbase
YouTube
Sabre
Sabre is a backend service provider used by a lot of airlines.
There’s an interesting followup post about a DNS issue.
SRE WEEKLY