For databases using mirroring. This wait type accumulates while mirroring is waiting to receive work. As this is an idling wait high values are expected and do not indicate an issue. Please note that database mirroring is a deprecated feature and could be removed in an upcoming release. Investigation into other high availability and disaster recovery solutions is recommended

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Suggested solutions

  1. Safe to ignore

Additional research

Troubleshoot Database Mirroring Configuration
Database Mirroring Best Practices and Performance Considerations

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