Solution : https://service.sap.com/sap/support/notes/1093076 (SAP Service marketplace login required)
Key words : 
system makes unnecessary rpm requests, avoiding empty tqa time series, system requirement aix - livecache/maxdb 7, atp display check performance improvement, empty taq time series, avoiding incorrect atp totals, merging scheduling agreement requisitions, installation file lc770218a6008_5-nnnnnnnn, function modules /sapapo/om_object_get_all, function module /sapapo/om_order_get_data
Related Notes : 
       
| 1235647 | liveCache/OneDB 7.7.02 + 7.7.03:Termination if OMS Heap >2GB | 
| 1097901 | Performance problems in ATP/TQAs cannot be deleted | 
| 998966 | Importing liveCache Version 7.7 | 
| 833216 | Parameter values as of liveCache Versions 7.5, 7.6 and 7.7 | 
| 753528 | LCA builds on SAP Support Portal | 
| 720261 | System requirement AIX - liveCache/MaxDB 7.4 to 7.9 | 
| 487972 | Operating system parameterization of liveCache |