timescale.infoupstream prematurely closed connection while reading response header (502)
- syslog
- severity:err
- facility:daemon
- host:web-1
- app:nginx
Open upstream prematurely closed connection while reading response header (502) in the timeline
Incident 2026-03-14: orders API outage
Three hours of syslog from web-1, web-2, db-1 and backup-1, with the investigation on top: the cause, the outage and what the on-call engineer did. A made-up incident for the logs video.
2,297 moments · 2026-03-14T01:30:00Z CE – 2026-03-14T04:29:57.914461Z CE · by @athan · @athan