WebSockets cost us $1M on our AWS bill(recall.ai)

287 points by tosh 1 year ago | 167 comments

Reducing latency with esoteric Linux process flags(recall.ai)

22 points by davidgu 1 year ago | 6 comments

Postgres locks do not scale(recall.ai)

10 points by timetoogo 3 months ago | 5 comments

Postgres LISTEN/NOTIFY does not scale(recall.ai)

547 points by davidgu 1 year ago | 283 comments

A Recall.ai engineering blog deep dive explaining why Postgres LISTEN/NOTIFY caused scaling problems in their production system.

Postgres Postmaster does not scale(recall.ai)

119 points by davidgu 8 months ago | 66 comments

The fix for a segfault that never shipped(recall.ai)

18 points by davidgu 9 months ago | 3 comments