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SQL Server XTP Storage object

Applies to: SQL Server

The SQL Server XTP Storage performance object contains counters related to on-disk storage for In-Memory OLTP in SQL Server.

This table describes the SQL Server XTP Storage counters.

Counter Description
Checkpoints Closed Count of checkpoints closed done by online agent.
Checkpoints Completed Count of checkpoints processed by offline checkpoint thread.
Core Merges Completed The number of core merges completed by the merge worker thread. These merges still need to be installed.
Merge Policy Evaluations The number of merge policy evaluations since the server started.
Merge Requests Outstanding The number of merge requests outstanding since the server started.
Merges Abandoned The number of merges abandoned due to failure.
Merges Installed The number of merges successfully installed.
Total Files Merged The total number of source files merged. This count can be used to find the average number of source files in the merge.

Example

You begin to explore the query performance counters in this object using this T-SQL query on the sys.dm_os_performance_counters dynamic management view:

SELECT * FROM sys.dm_os_performance_counters
WHERE object_name LIKE '%XTP Storage%';