Feature · /deadlock-detection
Détection de deadlock
Quand votre Postgres se bloque, vous savez pourquoi en 10 secondes.
In one line
Capture chaque deadlock avec la chaîne de verrous complète, les stacks et les correctifs.
What you get
- Postgres: pg_locks + pg_stat_activity sampled at 1 Hz, deadlock_timeout messages parsed from logs
- MySQL: SHOW ENGINE INNODB STATUS deadlock section parsed
- MongoDB: deadlock-equivalent (write conflicts) detected via currentOp
- Lock chain visualization showing every session in the cycle
- Per-deadlock playbook: shortest-path remediation suggestions
- Alert webhook within 30s of detection
FAQ
How is this different from just reading the Postgres log?+
We correlate the deadlock log line with the live activity sample 1s before, so you see exactly what every session was doing — including queries from sessions not mentioned in the log line.
Related reading
Postgres
Postgres lock chains: how to find the session blocking yours
A practical walkthrough of pg_locks, pg_blocking_pids, and the recursive CTE that gives you the full chain — including the AccessExclusiveLocks that quietly take your DB down.
Postgres
Postgres slow queries: 12 causes and how to find each one
A field-tested playbook for diagnosing a slow Postgres query in production — from missing indexes to plan flips to bloated tables — with the SQL to find each cause and the fix.
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