Waitopedia is a comprehensive resource of information about SQL Server waits.

The description shown below is the top answer as voted by the Spotlight community.

The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.


Category: Other
SQL Server versions: 2012, 2014, 2016, 2017


1 Answer


Used at the end of an AlwaysOn Transact-SQL statement that requires starting and/or stopping an availability group listener. Since the start/stop operation is done asynchronously, the user thread will block using this wait type until the situation of the listener is known. Information from Microsoft®

Very rare

This wait never occurs for most instances

For each of 4207 instances, we ranked HADR_TDS_LISTENER_SYNC_PROCESSING on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.

Prevalence of HADR_TDS_LISTENER_SYNC_PROCESSING across the Spotlight Population

For 50 % of hours with this wait, average wait time is around 19 ms

For each instance, we found all the recent hours when it had a HADR_TDS_LISTENER_SYNC_PROCESSING wait. We found the average latency for each of those hours.

2 instances contributed data to this chart

Latency Distribution of HADR_TDS_LISTENER_SYNC_PROCESSING across the Spotlight Population