| title | SQL Server XTP Storage | Microsoft Docs |
|---|---|
| ms.custom | |
| ms.date | 03/14/2017 |
| ms.prod | sql |
| ms.prod_service | database-engine |
| ms.reviewer | |
| ms.technology | performance |
| ms.topic | conceptual |
| ms.assetid | 4070580b-880d-4f4c-abcc-626a4fe0c9a2 |
| author | julieMSFT |
| ms.author | jrasnick |
[!INCLUDEappliesto-ss-xxxx-xxxx-xxx-md]
The SQL Server XTP Storage performance object contains counters related to on-disk storage for In-Memory OLTP in [!INCLUDEssNoVersion].
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. |