Solution : https://service.sap.com/sap/support/notes/1247395 (SAP Service marketplace login required)
Key words :
deleting obsolete orders, unnecessary delete statements, sd order tables, report /sapapo/sdorder_del, terms /sapapo/sdorder_del, database/sapapo/ord_tpop, /sapapo/sdorder_put, /sapapo/atplpg, long runtime, advanced planning
Related Notes :
1248096 | /sapapo/sdorder_del: Long runtime when deleting orders |
553476 | Composite SAP note: Report /sapapo/sdorder_del |