CircleCI. A deploy changed the type of a field in the PostgreSQL database used by the job-distribution service. Newly-written rows used the new type and old rows used the old type, so the distributor's strict schema validation failed on each scan and it stopped distributing work.
Toxiproxy is a framework for simulating network conditions. It's made specifically to work in testing, CI and development environments, supporting deterministic tampering with connections, but with support for randomized chaos and customization.
Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.
This book, The Accidental CTO, is my behind-the-scenes account of that journey. It’s not a dry academic manual filled with abstract diagrams.
Simulating shitty network connections so you can build better systems.
Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub ( Community notes is at