FoundationDB is a very impressive database. Its paper won the best industry paper award in SIGMOD'21. In this post, I will explain, in detail, how FDB works and discuss a few very interesting design choices they made. It's a dense paper packed with neat ideas. Many details (sometimes even proof…
Traditional B-Tree has a few noticeable downsides e.g. heavy disk IO (for in-place update), and low space utilization (as B-Tree leaves a lot of space on the table to avoid frequent splits and merges). BW-Tree [https://www.microsoft.com/en-us/research/publication/the-bw-tree-a-b-tree-for-new-hardware/] ( https://www.microsoft.com/en-us/research/…
This is my notes on the paper: Spanner: Google’s Globally-Distributed Database [https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=2ahUKEwiM8NSx3p_pAhUOpp4KHRwAAoUQFjADegQIBBAB&url=https%3A%2F%2Fresearch.google.com%2Farchive%2Fspanner-osdi2012.pdf&usg=AOvVaw0jTMltcXSUju43NRB29vPi] . I will first…
This is my notes on the paper: Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases [https://www.allthingsdistributed.com/files/p1041-verbitski.pdf]. What's Amazon Aurora Functionally speaking, an instance of Aurora is same as an instance of MySQL. The differences are Aurora decouples compute from storage and it's…