Troubleshooting SQL PA Use this information to diagnose and correct problems that you experience with Db2 SQL Performance Analyzer. Gathering diagnostic informationBefore you report a problem with SQL Performance Analyzer to IBM® Software Support, you need to gather the appropriate diagnostic information.Resetting the Db2 SQL Performance Analyzer REGISTRYDb2 SQL Performance Analyzer includes a cleanup mechanism that resets all the SQL PA entries in the REGISTRY to their original status. TSO interfacing notes for installersThe following topics contain special TSO interfacing notes for installers.Applying user indexes to tablesTo improve Plan Table performance, apply user indexes to three system catalog tables.Problems with missing module DSNACABSQLPA load library SANLLOAD must not be APF authorized.