The Performance Metrics Service collects and manages operational metrics related to the health and performance of replication processes. The dirbdb directory stores essential checkpoint information. If contents of this directory are missing or corrupted, then the Performance Metric Service may not be able to collect performance data.

To resolve this issue, you can disable the Performance Metrics Service from the Service Manager or the Admin Client, and then enable it again. This will recreate corrupted BDB files and resolve the issue.