# RLotD
* [QuestDB: The Billion Row Challenge (1BRC) - Step-by-step from 71s to 1.7s](https://questdb.io/blog/billion-row-challenge-step-by-step/)
Very interesting read! How to optimize the 4min 50sec (or ~70sec) idionatic java code down to 1.5sec for the winning entry.
* [My productivity app is a never-ending .txt file](https://jeffhuang.com/productivity_text_file/)