This blog contains experience gained over the years of implementing (and de-implementing) large scale IT applications/software.

SAP PI – Persistence Layer Deletion – Oracle Stats

Darryl Griffiths
When configuring persistence layer deletion in SAP PI 7.0, you should be aware that the very first time you enable the “switch” procedure and execute the delete jobs, the new tables will be created in the database.

These tables (SXMS*2) will NOT have any database statistics on them.

Therefore, once the switch procedure is completed, until your stats gathering job is executed in DB13, your PI system may run very slow indeed!

Either schedule a one-off stats gathering after the very first “switch”, or schedule the stats gathering frequently (e.g. daily).

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