Why you need observability more than tests
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Friday deploys can be daunting, but effective observability can quickly identify and resolve issues. Unlike tests, which can miss production-specific problems, observability provides real-time insights through centralized error logging and alerts. This approach facilitated a rapid response to a SQL error following an update, highlighting the importance of default instrumentation, easy log addition, and self-serve alert creation for maintaining system stability.
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Why tests didn't catch thisHow observability did catch it, fastLearned something new? Read more Software Engineering Lessons from ProductionSort: