Error
Error Code:
194
MongoDB Error 194: Balancer Interrupted
Description
This error indicates that the automatic data balancing process within a sharded cluster was unexpectedly stopped or did not complete its current operations. It typically occurs when the balancer is active and its operations are terminated prematurely.
Error Message
Balancer Interrupted
Known Causes
4 known causesManual User Intervention
A user or administrator explicitly stopped the balancer process, either intentionally or accidentally, while it was actively moving data chunks.
Scheduled Maintenance Window
The balancer stopped because it ran into a configured balancer window where balancing is not permitted, or due to a planned system shutdown.
Primary Step-Down or Failover
A primary config server stepped down or a failover occurred during balancing, disrupting the balancer's state and causing it to stop.
Resource or Network Issues
Underlying system resource constraints, network connectivity problems, or other infrastructure issues between cluster components interrupted the balancer's operations.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service