Solution : https://service.sap.com/sap/support/notes/559735 (SAP Service marketplace login required)
Key words :
individual key fields depends strongly, 'posting transfer' hr application, table ppoix grows considerably, application table ppoix, respective usage conditions, table ppoix, individual case, primary key, posting runs, db2/390 database
Related Notes :
558453 | DB2/390: Choice of partitioning key |