VictoriqueMoe/java-billion-rows | William Callahan

Summary

java-billion-rows is a high-performance Java implementation for processing one billion weather station temperature records as fast as possible.

It uses memory-mapped file I/O, multi-threading, and optimized custom parsing for maximum throughput, requiring only Java 21+ with no external dependencies. Typical processing speeds reach 200-400 million rows per second, and the program outputs per-station temperature statistics in a sorted format.

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GitHub - VictoriqueMoe/java-billion-rows

Summary

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GitHub - VictoriqueMoe/java-billion-rows

Summary

Topics