pgloader [0] is one example. Interestingly, it was originally written in Python, but the author decided to rewrite the entire thing in Common Lisp due mainly t

pgloader [0] is one example. Interestingly, it was originally written in Python, but the author decided to rewrite the entire thing in Common Lisp due mainly to Python's poor performance and the lack of native thread support. The result Common Lisp version is 30 times faster than the old Python one. More info can be found in the author's blog post [1]. [0] https://pgloader.io/ https://pgloader.io/ [1] https://tapoueh.org/blog/2014/05/why-is-pgloader-so-much-faster/ https://tapoueh.org/blog/2014/05/why-is-pgloader-so-much-fas...