HADR_TIMER_TASK

Description

For databases utilizing Availability Groups. This wait is used internally while SQL Server is waiting for Availability Group activities to perform. As this is an idling wait high values are expected and safe to ignore

Resolved by

DBAs

Suggested solutions

  1. Safe to ignore

Additional research

AlwaysOn Availability Groups Troubleshooting and Monitoring Guide

See more

Consider using ApexSQL Monitor, a Windows and SQL Server monitoring tool able to track SQL Server wait types, including the individual query wait statistics

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