Checking SQL Server 2019 CTP 2.5 (15.0.1500.28) I found this new configuration option and was wandering what is behind it. Couldn't find any information so far and was wondering if you know where to find more about it?
Sql-server – “tempdb metadata memory-optimized” configuration option
memory-optimized-tablessql serversql-server-2019tempdb
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Best Answer
As far as I can tell the feature has not been officially announced yet.
There are a couple of resources available on this feature from members of the community:
Youtube video from Erik Darling
Blog post from Ned Otter
This would appear to be the configuration option that will allow you to put some TempDB metadata tables into memory, preventing many types of resource wait and hopefully speeding use of that database up on busy systems. The value of the configuration option can be found with this query: