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Performance
2 articles tracking patterns, technical trade-offs, and solutions in Performance.
Deep Tracks: Mapping India Outside the Heap
When your dataset is 33 billion grid squares and your deployment constraint is one machine, the JVM's garbage collector becomes your enemy. How memory-mapped files turned an impossible memory problem into a solved one.
The Overgrown Trail
A healthcare financial system's batch processing took an hour. After the rewrite, it took 45 seconds. But the 80x speedup wasn't the real win was removing the production risks that had accumulated over years of neglect.
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