PublisherMonitor.EnumLogReaderAgentSessions Method

  • Article

Returns information about Log Reader Agent sessions.

Namespace:  Microsoft.SqlServer.Replication
Assembly:  Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)

Syntax

'Declaration
Public Function EnumLogReaderAgentSessions ( _
    agentName As String, _
    sessionDuration As Integer, _
    returnOnlyErrorSessions As Boolean _
) As DataSet
'Usage
Dim instance As PublisherMonitor 
Dim agentName As String 
Dim sessionDuration As Integer 
Dim returnOnlyErrorSessions As Boolean 
Dim returnValue As DataSet 

returnValue = instance.EnumLogReaderAgentSessions(agentName, _
    sessionDuration, returnOnlyErrorSessions)

public DataSet EnumLogReaderAgentSessions(
    string agentName,
    int sessionDuration,
    bool returnOnlyErrorSessions
)

public:
DataSet^ EnumLogReaderAgentSessions(
    String^ agentName, 
    int sessionDuration, 
    bool returnOnlyErrorSessions
)

member EnumLogReaderAgentSessions : 
        agentName:string * 
        sessionDuration:int * 
        returnOnlyErrorSessions:bool -> DataSet

public function EnumLogReaderAgentSessions(
    agentName : String, 
    sessionDuration : int, 
    returnOnlyErrorSessions : boolean
) : DataSet

Parameters

  • agentName
    Type: System.String
    A String value that specifies the name of the Log Reader Agent. You can obtain this value from the LogReaderAgentName property of the published database.
  • sessionDuration
    Type: System.Int32
    An Int32 value that specifies the number of hours before the current time to which to limit the results. For example, a value of 24 will return information about agent sessions over the last 24 hours. A value of -1 returns information on the last 100 sessions, and a value of 0 returns information on all sessions.
  • returnOnlyErrorSessions
    Type: System.Boolean
    A Boolean value that specifies whether to returns information only on sessions that resulted in an error or on all sessions. If true, only error sessions are returned. If false, all sessions are returned.

Return Value

Type: System.Data.DataSet
A DataSet object that contains the following columns.

Column

Data type

Description

runstatus

Int32

The running status:

1 = Start

2 = Succeed

3 = In progress

4 = Idle

5 = Retry

6 = Fail

start_time

String

Date and time of last agent execution.

time

String

Date and time that the session was logged.

comments

String

Message text logged by the agent.

duration

Int32

Elapsed time of the session, in seconds.

delivery_rate

Single

Average number of commands delivered per second.

delivery_latency

Int32

The time, in milliseconds, between a command being committed to the published database and being committed to the distribution database.

delivery_time

Int32

The time first transaction is delivered.

delivered_transactions

Int32

Total number of transactions delivered in the session.

delivered_commands

Int32

Total number of commands delivered in the session.

average_commands

Int32

Average number of commands per transaction delivered in the session.

action_count

Int32

Number of agent log messages recorded in the session.

error_id

Int32

The ID of the error in the MSrepl_errors (Transact-SQL) system table. Use the EnumErrorRecords method to return detailed information about an error.

Remarks

You should commit any property changes to the PublisherMonitor object before calling this method because properties of this object may need to be loaded if they have not been loaded already.

The EnumLogReaderAgentSessions method can only be called by members of the db_owner or replmonitor fixed database roles on the distribution database.

See Also

Reference

PublisherMonitor Class

Microsoft.SqlServer.Replication Namespace

Other Resources

NIB Programmatically Monitor Replication (RMO Programming)