Solution : https://service.sap.com/sap/support/notes/675725 (SAP Service marketplace login required)
Key words : 
component srm-ebp-tec-mw, ensures sufficient dialog work processes, change parameter rdisp/rfc_max_own_used_wp, dialog work processes, symptom type bupa_main, prevent type bupa_main, massive database increase, crm mobile scenario, reorganization runs correctly, completely processed bdocs
Related Notes : 
       
| 872533 | FAQ: Middleware | 
| 763632 | Collective note for mass queue problems | 
| 689038 | Analysis of mass queue behavior on the CRM server | 
| 682705 | Unnecessary BDoc during deletion/archiving | 
| 638551 | Deactivating creation of BDoc messages | 
| 637829 | Outdated data deletion in keygen after CRM/EBP upgrade | 
| 635697 | Activating/deactivating creation of BDoc messages | 
| 600007 | Standard variant for report SMO6_REORG does not exist | 
| 574224 | Reorganizatn of BDoc type messages according to change date | 
| 568558 | Background job for Middleware reorganization hangs | 
| 566765 | Deletion: Reducing read accesses to SRRELROLES | 
| 555212 | RFC server groups maintenance after instance start | 
| 536414 | CRM 3.0/3.1 SAP Composite Note: Middleware reorganization | 
| 503002 | Performance problems during BDoc processing | 
| 493156 | Performance of BDoc message related object links | 
| 360536 | Problems with Report RSRLDREL when deleting links | 
| 206439 | Reorganization of tables in CRM Middleware | 
| 74141 | Resource Management for tRFC and aRFC |