Causality” 2. Used disciplined approach to solving problems using telemetry to understand contributing factors and focus problem-solving. ii. Telemetry – An automated communications process by which measurements

Blameless Post-Mortem – Actions: 1. Construct a timeline and gather details of the failure from multiple perspectives2. Empower all engineers to improve safety by allowing them to give detailed accounts these 3rd party components ii. Examine dependencies for known vulnerabilities and consolidate multiple versions of the same library iii. 2014 Verizon PCI Data Breach Investigation Report – studies

becomes a business decisions, not a technical decision v. Environment-based Release Pattern – multiple environments available, only one is receiving live traffic. Release performed by moving traffic i. Enables deployments during normal business hours ii. Blue-Green Deployment 1. Strategy a. Multiple environments with only 1 serving traffic b. Deploy to inactive environment, test, c. Swing traffic

products into production.  Thought I would get over there fix “their” problems.  Discovered, multiple teams involved in snowflake environment support.  The practice team wasn’t the same as the game

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