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1BRC Challenge

· 12 min read

One thing that recently got nerd the hell out of me was 1 billion row challenge. Citing the original site:

Your mission, should you decide to accept it, is deceptively simple: write a Java program for retrieving temperature measurement values from a text file and calculating the min, mean, and max temperature per weather station. There’s just one caveat: the file has 1,000,000,000 rows!

I was working on it after hourse and 1 week after taking on the challenge there are several conclusions worth writing about.