Data Purging after a Data Archiving run may take longer than expected.
An Oracle Automatic Workload Repository (AWR) report at the time of Data Purging may show the following SQL query as running long.
b0v56u167hqwd merge into (select * from WP_USER_DATA where archive_id is null) child using (select * from WP_PROCI where archive_id = :in_archive_id) parent on (parent.proci_id = child.proci_id and parent.proci_db = child.proci_db and rownum <= :batchSize) when matched then update set child.archive_id = :in_archive_id
This is a known issue where there is a lot of legacy WorkPoint data.
The Data Purging of WorkPoint data related to Data Archive has been improved in the following versions: