---
title: "MSlogreader_history (Transact-SQL) | Microsoft Docs"
ms.custom: ""
ms.date: "03/03/2017"
ms.prod: sql
ms.prod_service: "database-engine"
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ms.technology: replication
ms.topic: "language-reference"
f1_keywords: 
  - "MSlogreader_history_TSQL"
  - "MSlogreader_history"
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "MSlogreader_history system table"
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author: stevestein
ms.author: sstein
---
# MSlogreader_history (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx-md](../../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)]

  The **MSlogreader_history** table contains history rows for the Log Reader Agents associated with the local Distributor. This table is stored in the distribution database.  
  
|Column name|Data type|Description|  
|-----------------|---------------|-----------------|  
|**agent_id**|**int**|The ID of the Log Reader Agent.|  
|**runstatus**|**int**|The running status:<br /><br /> 1 = Start.<br /><br /> 2 = Succeed.<br /><br /> 3 = In progress.<br /><br /> 4 = Idle.<br /><br /> 5 = Retry.<br /><br /> 6 = Fail.|  
|**start_time**|**datetime**|The time to begin execution of the job.|  
|**time**|**datetime**|The time the message is logged.|  
|**duration**|**int**|The duration, in seconds, of the message session.|  
|**comments**|**nvarchar(255)**|The message text.|  
|**xact_seqno**|**varbinary(16)**|The last processed transaction sequence number.|  
|**delivery_time**|**int**|The time first transaction is delivered.|  
|**delivered_transactions**|**int**|The total number of transactions delivered in the session.|  
|**delivered_commands**|**int**|The total number of commands delivered in the session.|  
|**average_commands**|**int**|The average number of commands delivered in the session.|  
|**delivery_rate**|**float**|The average delivered commands per second.|  
|**delivery_latency**|**int**|The latency between the command entering the published database and being entered into the distribution database. In milliseconds.|  
|**error_id**|**int**|The ID of the error in the **MSrepl_error** system table.|  
|**timestamp**|**timestamp**|The timestamp column of this table.|  
|**updateable_row**|**bit**|Set to **1** if the history row can be overwritten.|  
  
## See Also  
 [Replication Tables &#40;Transact-SQL&#41;](../../relational-databases/system-tables/replication-tables-transact-sql.md)   
 [Replication Views &#40;Transact-SQL&#41;](../../relational-databases/system-views/replication-views-transact-sql.md)