They started with Java and tried to use as little GC as possible and started writing hot loops in C, C++ and Rust. Logic is in Java, other stuff is mostly nativ

They started with Java and tried to use as little GC as possible and started writing hot loops in C, C++ and Rust. Logic is in Java, other stuff is mostly native. https://questdb.io/blog/leveraging-rust-in-our-high-performance-java-database/ https://questdb.io/blog/leveraging-rust-in-our-high-performa...