From Rust to reality: The hidden journey of fetch_max
QuestDB is the open-source time-series database for demanding workloads—from trading floors to mission control It delivers ultra-low latency, high ingestion throughput, and a multi-tier storage engine. Native support for Parquet and SQL keeps your data portable, AI-ready—no vendor lock-in. I occasionally interview candidates for engineering roles. We need people who understand concurrent programming. One of our favorite questions involves keeping track of a maximum value across multiple produce