Observability: From Logs to Traces
Logs told us what happened. Traces told us where the time went. The difference was a 3am incident solved in ten minutes.
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A Pragmatic Guide to Code Review
Reviews should catch bugs and spread knowledge without becoming a bottleneck. Here is the bar we hold.
Edge Caching at Scale with Cache Tags
Caching is easy. Invalidation is the hard part. Cache tags let us purge exactly what changed and nothing more.