https://userapps.support.sap.com/sap/support/knowledge/en/3681689
3681689 - Slow performance in /SAPAPO/CDPSB0 due to high number of entries in /SAPAPO/RRP_EVAL and...
Slow performance occurs when running /SAPAPO/CDPSB0 Excessive memory consumption happens during the Planning Run due to large data volumes in /SAPAPO/RRP_EVAL...