---
title: "SQL Server, Wait Statistics Object | Microsoft Docs"
ms.custom: ""
ms.date: "03/01/2017"
ms.prod: sql
ms.prod_service: "database-engine"
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ms.technology: performance
ms.topic: conceptual
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  - "Wait Statistics object"
  - "SQLServer:Wait Statistics"
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author: julieMSFT
ms.author: jrasnick
---
# SQL Server, Wait Statistics Object
[!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)]
  The **SQLServer:Wait Statistics** performance object contains performance counters that report information about wait status.  
  
 The table below lists the counters that the Wait Statistics object contains.  
  
|SQL Server Wait Statistics counters|Description|  
|-----------------------------------------|-----------------|  
|**Lock waits**|Statistics for processes waiting on a lock.|  
|**Log buffer waits**|Statistics for processes waiting for log buffer to be available.|  
|**Log write waits**|Statistics for processes waiting for log buffer to be written.|  
|**Memory grant queue waits**|Statistics for processes waiting for memory grant to become available.|  
|**Network IO waits**|Statistics relevant to wait on network I/O.|  
|**Non-Page latch waits**|Statistics relevant to non-page latches.|  
|**Page IO latch waits**|Statistics relevant to page I/O latches.|  
|**Page latch waits**|Statistics relevant to page latches, not including I/O latches.|  
|**Thread-safe memory objects waits**|Statistics for processes waiting on thread-safe memory allocators.|  
|**Transaction ownership waits**|Statistics relevant to processes synchronizing access to transaction.|  
|**Wait for the worker**|Statistics relevant to processes waiting for worker to become available.|  
|**Workspace synchronization waits**|Statistics relevant to processes synchronizing access to workspace.|  
  
 Each counter in the object contains the following instances:  
  
|Item|Description|  
|----------|-----------------|  
|**Average wait time (ms)**|Average time for the selected type of wait.|  
|**Cumulative wait time (ms) per second**|Aggregated wait time per second, for the selected type of wait.|  
|**Waits in progress**|Number of processes currently waiting on the following type.|  
|**Waits started per second**|Number of waits started per second of the selected type of wait.|  
  
## See Also  
 [Monitor Resource Usage (System Monitor)](../../relational-databases/performance-monitor/monitor-resource-usage-system-monitor.md)