Overview
- Bug Type:
- Resource leak
- Category:
- Memory & Resource Management
Definition
Files/sockets/DB connections aren't released, exhausting system resources.
How to fix Resource leak?
Use RAII/defer/finally to close; instrument pool checkout/return; handle timeouts/cancellations; add handle-count alerts
Symptoms
Observable signs that may indicate Resource leak:
- Open file/socket handles increase and never drop.
- DB connection pool exhaustion during errors/timeouts.
- OS reports 'too many open files' or descriptor exhaustion.
Example Errors:
- EMFILE: too many open files
- Connection pool exhausted
- Socket leak detected