MongoDB

Resolve MongoDB connection refused, timeout, and authentication failed errors. SRE guide to diagnosing bind_ip, firewalls, disk space, and crash recovery.

Fix MongoDB connection refused, authentication failed, timeout, and too many connections errors. Step-by-step diagnostic commands with root cause analysis.

Learn how to accurately check MongoDB replication lag using rs.status() and rs.printSecondaryReplicationInfo(), monitor delay, and resolve common performance bo

Fix MongoDB connection timeouts, "server selection timed out", and pool exhaustion errors. Learn how to configure maxPoolSize, socket timeouts, and debug limits