Solution : https://service.sap.com/sap/support/notes/424866 (SAP Service marketplace login required)
Key words : 
'system access path recovery time', access path recovery times, r3<sid>data/qsqjrn, terms crtjrn rmvintent edtrcyap, permanently saved data, journal receiver size, forward recovery, journal receiver, command edtrcyap, symptom reduction
Related Notes : 
       
| 1449715 | IBM i: Current recommendations for journal configuration |