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Replication Agent Profiles

Updated: 14 April 2006

When replication is configured, a set of agent profiles is installed on the Distributor. An agent profile contains a set of parameters that are used each time an agent runs: each agent logs in to the Distributor during its startup process and queries for the parameters in its profile. For merge subscriptions that use Web synchronization, profiles are downloaded and stored at the Subscriber. If the profile is changed, the profile at the Subscriber is updated the next time the Merge Agent runs. For more information about Web synchronization, see Web Synchronization for Merge Replication.

Replication provides a default profile for each agent and additional predefined profiles for the Log Reader Agent, Distribution Agent, and Merge Agent. In addition to the profiles provided, you can create profiles suited to your application requirements. An agent profile allows you to change key parameters easily for all agents associated with that profile. For example, if you have 20 Snapshot Agents and need to change the query timeout value (the -QueryTimeout parameter), you can update the profile used by the Snapshot Agents and all agents of that type will begin using the new value automatically the next time they run.

You might also have different profiles for different instances of an agent. For example, a Merge Agent that connects to the Publisher and Distributor over a dialup connection could use a set of parameters that are better suited to the slower communications link by using the slow link profile.

ms151223.note(en-US,SQL.90).gifNote:
If you specify a value for an agent parameter on the command line, that value overrides the value set for the same parameter in the agent profile.

To use and modify agent profiles

The following table shows the parameters defined in the default profile for the Snapshot Agent. For more information on these parameters, see Replication Snapshot Agent.

default

-BcpBatchSize

100000

-HistoryVerboseLevel

2

-LoginTimeout

15

-QueryTimeout

1800

The following table shows the parameters defined in the profiles for the Log Reader Agent. Each column in the table represents a named profile. For more information on these parameters, see Replication Log Reader Agent.

default verbose history

-HistoryVerboseLevel

1

2

-LoginTimeout

15

15

-LogScanThreshold

500000

500000

-PollingInterval

5

5

-QueryTimeout

1800

1800

-ReadBatchSize

500

500

The following table shows the parameters defined in the profiles for the Distribution Agent. Each column in the table represents a named profile. For more information on these parameters, see Replication Distribution Agent.

default verbose history Windows Synchronization Manager Continue on data consistency errors Distribution Profile for OLEDB streaming

-BcpBatchSize

100000

100000

1000

100000

2147473647

-CommitBatchSize

100

100

100

100

100

-CommitBatchThreshold

1000

1000

1000

1000

1000

-HistoryVerboseLevel

1

2

1

1

1

-KeepAliveMessageInterval

300

300

300

300

300

-LoginTimeout

15

15

15

15

15

-MaxBcpThreads

1

1

1

1

1

-MaxDeliveredTransactions

0

0

0

0

0

-OledbStreamThreshold

NULL

NULL

NULL

NULL

32768

-PacketSize

NULL

NULL

NULL

NULL

32768

-PollingInterval

5

5

5

5

5

-QueryTimeout

1800

1800

1800

1800

1800

-SkipErrors

NULL

NULL

NULL

-SkipErrors 2601:2627:20598

NULL

-TransactionsPerHistory

100

100

100

100

100

-UseOledbStreaming

NULL

NULL

NULL

NULL

-UseOledbStreaming

The following table shows the parameters defined in the profiles for the Merge Agent. Each column in the table represents a named profile. For more information on these parameters, see Replication Merge Agent.

default verbose history Windows Synchronization Manager rowcount validation rowcount and checksum validation slow link high volume server-to-server

-BcpBatchSize

100000

100000

1000

100000

100000

100000

100000

-ChangesPerHistory

100

50

50

100

100

100

1000

-DestThreads

2

1

1

1

1

1

4

-DownloadGenerationsPerBatch

50

50

50

50

50

1

500

-DownloadReadChangesPerBatch

100

100

100

100

100

100

100

-DownloadWriteChangesPerBatch

100

100

100

100

100

100

100

-FastRowCount

1

1

1

1

1

1

1

-HistoryVerboseLevel

2

3

1

1

2

1

2

-KeepAliveMessageInterval

300

300

300

300

300

300

300

-LoginTimeout

15

15

15

15

15

15

15

-MaxDownloadChanges

0

0

0

0

0

0

0

-MaxUploadChanges

0

0

0

0

0

0

0

-MetadataRetentionCleanup

1

1

1

1

1

1

1

-NumDeadlockRetries

5

5

5

5

5

5

5

-ParallelUploadDownload

NULL

NULL

NULL

NULL

NULL

NULL

1

-PollingInterval

60

60

60

60

60

60

60

-QueryTimeout

300

300

300

300

300

300

600

-QueueSizeMultiplier

NULL

NULL

NULL

NULL

NULL

NULL

5

-SrcThreads

2

2

2

2

2

1

3

-StartQueueTimeout

0

0

0

0

0

0

0

-UploadGenerationsPerBatch

50

50

50

50

50

1

500

-UploadReadChangesPerBatch

100

100

100

100

100

100

100

-UploadWriteChangesPerBatch

100

100

100

100

100

100

100

-Validate

0

0

0

1

3

0

0

-ValidateInterval

60

60

60

60

60

60

60

The following table shows the parameters defined in the default profile for the Queue Reader Agent. For more information on these parameters, see Replication Queue Reader Agent.

default

-HistoryVerboseLevel

1

-LoginTimeout

15

-PollingInterval

5

-QueryTimeout

1800

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