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sp_mergemetadataretentioncleanup (Transact-SQL)

Performs a manual cleanup of metadata in the MSmerge_genhistory, MSmerge_contents, MSmerge_tombstone, MSmerge_past_partition_mappings, and MSmerge_current_partition_mappings system tables. This stored procedure is executed at each Publisher and Subscriber in the topology.

Topic link iconTransact-SQL Syntax Conventions

sp_mergemetadataretentioncleanup [ [ @num_genhistory_rows= ] num_genhistory_rows OUTPUT ]
    [ , [ @num_contents_rows= ] num_contents_rows OUTPUT ] 
    [ , [ @num_tombstone_rows= ] num_tombstone_rows OUTPUT ] 
    [ , [ @aggressive_cleanup_only= ] aggressive_cleanup_only ]

[ @num_genhistory_rows= ] num_genhistory_rows OUTPUT

Returns the number of rows cleaned-up from the MSmerge_genhistory table. num_genhistory_rows is int, with a default of 0.

[ @num_contents_rows= ] num_contents_rows OUTPUT

Returns the number of rows cleaned-up from the MSmerge_contents table. num_contents_rows is int, with a default of 0.

[ @num_tombstone_rows= ] num_tombstone_rows OUTPUT

Returns the number of rows cleaned-up from the MSmerge_tombstone table. num_tombstone_rows is int, with a default of 0.

[ @aggressive_cleanup_only= ] aggressive_cleanup_only

Internal use only.

0 (success) or 1 (failure)

For more information about metadata cleanup, see How Merge Replication Works.

Important noteImportant

If there are multiple publications on a database, and any one of those publications uses an infinite publication retention period, running sp_mergemetadataretentioncleanup does not clean up the merge replication change tracking metadata for the database. For this reason, use infinite publication retention with caution. To determine if a publication has an infinite retention period, execute sp_helpmergepublication (Transact-SQL) at the Publisher and note any publications in the result set with a value of 0 for retention.

Only members of the db_owner fixed database role or users in the publication access list for a published database can execute sp_mergemetadataretentioncleanup.

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