Solution : https://service.sap.com/sap/support/notes/192676 (SAP Service marketplace login required)
Key words :
identified exclusive lockwaits increases enormously, applications access identical table entries, finished increases enormously, applications takes sporadically, additional key words, logged deadlock situations, exclusive lockwaits, table entries, deadlock situations, waiting times
Related Notes :
| 556184 | Deadlocks table J_3AMRPR for collctve conversn plannd orders |
| 146378 | MRP doesn't reexplode when BOM is changed |