signal_tag · 2_broadcasts
#performance
// 2 transmissions tagged with #performance
TX_022· 13:00Engineering
Postgres 18's async I/O subsystem hits 3x on sequential scans
Postgres 18 introduced an asynchronous I/O subsystem that issues parallel I/O requests instead of waiting on each one. Benchmarks show up to 3x gains on seq scans, bitmap heap scans, and vacuum.
TX_021· 11:00Engineering
Bun 2-3x ahead of Node on RPS. The runtime question is now serious.
2026 benchmarks put Bun at 30-50K RPS on standard HTTP workloads vs Node's 13-20K. Deno 2 sits in the middle around 22K. With Deno's full Node-compat and Bun's drop-in story, the runtime decision is no longer academic.