mstracer-history-transact-sql.md

title	MStracer_history (Transact-SQL) | Microsoft Docs
ms.custom
ms.date	03/04/2017
ms.prod	sql
ms.prod_service	database-engine
ms.reviewer
ms.technology	replication
ms.topic	language-reference
f1_keywords	MStracer_history MStracer_history_TSQL
dev_langs	TSQL
helpviewer_keywords	MStracer_history system table
ms.assetid	97237a0c-d574-4b17-8a94-1a8730b31d98
author	stevestein
ms.author	sstein

MStracer_history (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-xxxx-xxxx-xxx-md]

The MStracer_history table maintains a record of all tracer tokens that have been received at the Subscriber. This table is stored in the distribution database and is used by replication for performance monitoring.

Column name	Data type	Description
parent_tracer_id	int	Uniquely identifies a tracer token.
agent_id	int	Identifies the agent which handled the tracer token record.
subscriber_commit	datetime	The date and time when the tracer token record was committed at the Subscriber.

See Also

Replication Tables (Transact-SQL)
Replication Views (Transact-SQL)