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PWAIT_MD_SERVER_CACHE
Description:
TBD
(Books Online description: “Occurs during internal synchronization in metadata on linked servers.”)
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Added in SQL Server version:
2012
Removed in SQL Server version:
N/A
Extended Events wait_type value:
Maps to the MD_SERVER_CACHE map_value in sys.dm_xe_map_values (thanks to Jonathan’s post here).
The map_key value in sys.dm_xe_map_values is 654 in 2012 and 672 in 2014 RTM. After 2014 RTM, you must check the DMV to get the latest value as some map_key values have changed in later builds.
Other information:
N/A
Known occurrences in SQL Server (list number matches call stack list):
- TBD
Abbreviated call stacks (list number matches known occurrences list):
- TBD