Showing Post From Performance

Your Index Has Three Jobs. A Sort Can Break One of Them.

I showed a colleague a query reading 109 documents to return one, and the index it was supposed to be using. He looked at both and said the obvious thing: “that’s not even the same index. It’s got four fields, your query filters on three completely different ones.”

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Two Billion Documents a Week to Produce a List of Numbers

One query. Seven days. Here’s what it cost.

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Spring Boot Testing Strategy – Context Management & Perf Secrets (Part 2)

Every second saved in test execution multiplies across your entire team and CI/CD pipeline. A 10x improvement in test performance can save hours of developer time daily—transforming a 10-minute test suite into a 1-minute feedback loop.

The culprit? Poor context management—the #1 cause of slow Spring Boot test suites.

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