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title: "sys.dm_exec_dms_workers (Transact-SQL) | Microsoft Docs"
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# sys.dm_exec_dms_workers (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2016-xxxx-asdw-pdw_md](../../includes/tsql-appliesto-ss2016-xxxx-asdw-pdw-md.md)]

  Holds information about all workers completing DMS steps.  
  
 This view shows the data for the last 1000 requests and active requests; active requests always have the data present in this view.  
  
|Column Name|Data Type|Description|Range|  
|-----------------|---------------|-----------------|-----------|  
|execution_id|**nvarchar(32)**|Query that this DMS worker is part of.request_id, step_index, and dms_step_index form the key for this view.||  
|step_index|**int**|Query step this DMS worker is part of.|See step index in [sys.dm_exec_distributed_request_steps (Transact-SQL)](../../relational-databases/system-dynamic-management-views/sys-dm-exec-distributed-request-steps-transact-sql.md).|  
|dms_step_index|**int**|Step in the DMS plan that this worker is running.|See [sys.dm_exec_dms_workers (Transact-SQL)](../../relational-databases/system-dynamic-management-views/sys-dm-exec-dms-workers-transact-sql.md)|  
|compute_node_id|**int**|Node that the worker is running on.|See [sys.dm_exec_compute_nodes (Transact-SQL)](../../relational-databases/system-dynamic-management-views/sys-dm-exec-compute-nodes-transact-sql.md).|  
|distribution_id|**int**|||  
|type|**nvarcha(32)**|||  
|status|**nvarchar(32)**|Status of this step|‘Pending', ‘Running', ‘Complete', ‘Failed', ‘UndoFailed', ‘PendingCancel', ‘Cancelled', ‘Undone', ‘Aborted'|  
|bytes_per_sec|**bigint**|||  
|bytes_processed|**bigint**|||  
|rows_processed|**bigint**|||  
|start_time|**datetime**|Time at which the step started execution|Smaller or equal to current time and larger or equal to end_compile_time of the query to which this step belongs.|  
|end_time|**datetime**|Time at which this step completed execution, was cancelled, or failed.|Smaller or equal to current time and larger or equal to start_time, set to NULL for steps currently in execution or queued.|  
|total_elapsed_time|**int**|Total amount of time the query step has been executing, in milliseconds|Between 0 and the difference between end_time and start_time. 0 for queued steps.|  
|cpu_time|**bigint**|||  
|query_time|**int**|||  
|buffers_available|**int**|||  
|dms_cpid|**int**|||  
|sql_spid|**int**|||  
|error_id|**nvarchar(36)**|||  
|source_info|**nvarchar(4000)**|||  
|destination_info|**nvarchar(4000)**|||  
|command|**nvarchar(4000)**|||  
  
## See Also  
 [PolyBase troubleshooting with dynamic management views](http://msdn.microsoft.com/library/ce9078b7-a750-4f47-b23e-90b83b783d80)   
 [Dynamic Management Views and Functions (Transact-SQL)](~/relational-databases/system-dynamic-management-views/system-dynamic-management-views.md)   
 [Database Related Dynamic Management Views (Transact-SQL)](../../relational-databases/system-dynamic-management-views/database-related-dynamic-management-views-transact-sql.md)