Redpanda Oxla or: Why Your Hashmaps are Secretly Wrecking Your Performance (Tyler Akidau + Adam Symanski)
- Speakers:
- Tyler Akidau , Adam Symanski
- Date:
- Mon Feb 2, 2026 @ 04:30pm EST
- Date:
- Mon Feb 2, 2026
- Time:
- 04:30pm EST
- Location:
- https://cmu.zoom.us/j/99830697483?pwd=RLKiHNDLPvOyoCMHSBGmWfbba4ZAb4.1Zoom
- Title:
- Redpanda Oxla or: Why Your Hashmaps are Secretly Wrecking Your Performance
- System:
- Oxla
- Video:
- YouTube
Talk Info:
In this talk, we'll first give an overview of the Oxla analytical database and how it fits into what we do at Redpanda. Then we'll dive into one of the more interesting aspects of Oxla internals: combating memory bandwidth performance bottlenecks in GROUP BY and JOIN via a specialized, custom hashmap implementation.
This talk is part of the PostgreSQL vs. The World Seminar Series.
Bio:
Tyler is CTO of Redpanda Data Adam is the creator of Oxla