Building a faster hash table for high performance SQL joins(questdb.io)

71 points by nhourcard 2 years ago | 28 comments

A kernel bug froze my machine: Debugging an async-profiler deadlock(questdb.com)

105 points by bluestreak 10 months ago | 18 comments

Debugging distributed database mysteries with Rust, packet capture and Polars(questdb.io)

75 points by grayfox 2 years ago | 1 comments

A 40-line fix eliminated a 400x performance gap(questdb.com)

348 points by bluestreak 9 months ago | 75 comments

QuestDB engineering blog post explaining how a 40-line OpenJDK change to getting current thread user CPU time on Linux removed a 400x performance gap.

Leveraging Rust in our Java database(questdb.io)

144 points by jerrinot 3 years ago | 84 comments

Lies, Damn Lies and Database Benchmarks(questdb.com)

49 points by eigenBasis 4 months ago | 18 comments