AL

Ao Li

About the author

Ao Li is a fifth-year PhD student at Carnegie Mellon University. His research focuses on developing practical and general-purpose debugging and testing tools for heterogeneous cloud applications.

Author’s articles

Concurrency bugs in Lucene: How to fix optimistic concurrency failures

February 7, 2025

Concurrency bugs in Lucene: How to fix optimistic concurrency failures

Thanks to Fray, a deterministic concurrency testing framework from CMU’s PASTA Lab, we tracked down a tricky Lucene bug and squashed it

Ready to build state of the art search experiences?

Sufficiently advanced search isn’t achieved with the efforts of one. Elasticsearch is powered by data scientists, ML ops, engineers, and many more who are just as passionate about search as your are. Let’s connect and work together to build the magical search experience that will get you the results you want.

Try it yourself