Solution : https://service.sap.com/sap/support/notes/370601 (SAP Service marketplace login required)
Key words : 
/scm -> mysap scm technology ->                   performance, sap apo installation 3, terms sap apo, response time behavior, sap service marketplace, _frame=container&_object      =011000358700002439142002, composite sap note, support package level, symptom performance problems, sap apo system 3
Related Notes : 
       
| 734649 | Modif.: Performance when displaying planning status | 
| 728328 | Performance when fixing/unfixing operations | 
| 728186 | Performance for selections in production planning run | 
| 702814 | Performance of order creation w/ characteristic propagation | 
| 690148 | Performance problem in the material master (buffering) | 
| 686053 | Reading stocks and orders takes a long time | 
| 685258 | Performance: Requirements view call | 
| 682996 | PPT: time_out shortdump on selecting big value of MATLOC | 
| 661789 | Performance: Duplicate entries in order table | 
| 660113 | Performance: Setting up DS planning board for Release 4.0 | 
| 644493 | MSP Performance Improvements | 
| 643267 | Order view: Performance for changed capacity requirements | 
| 641720 | Too many messages cause a performance problem | 
| 641084 | Performance of periodic planning with a calendar | 
| 634808 | Performance problems with BAPI_PPDSSRVAPS_SEQGETNEXTORDS | 
| 630729 | Error message after you change planning board profile | 
| 621284 | PPT: Performance when using Alert monitor as subscreen | 
| 617852 | /sapapo/om17: Stock check with characteristics | 
| 613844 | 'RETRY' problem for SD documents with product allocation | 
| 609294 | Sorting missing for the operation table | 
| 604939 | Performance problem with /SAPAPO/LOC_LOCIDS_GET_LOCNOS | 
| 604708 | LOC: BSV is ignoredt during reading | 
| 602969 | Overhead in function /SAPAPO/DM_LOCID_GET_LOCATION | 
| 602968 | PPT: Performance of periodic views | 
| 601246 | CTM: Runtime of order selection with lots of models | 
| 600478 | Long runtime with planning on active version | 
| 600421 | Performance during new explosion | 
| 596031 | Performance improvement in creating an operation chart | 
| 595795 | Long runtime when setting up an operation chart | 
| 594311 | SNP2PPDS: Performance | 
| 594245 | Poor performance: Selecting detailed sched. planning board | 
| 593760 | Poor performance when starting the planning board | 
| 592238 | Performance: SCHED_CATALOGUE_BUILD | 
| 591422 | PPT: Modification for improved performance | 
| 591248 | Performance improvement when excluding PPM read. | 
| 589720 | PPT: Double-click performance in navigation tree | 
| 588634 | Performance for product and location split maintenance | 
| 588043 | ATP_CATALOGUE_EXTRACT_NEW performance | 
| 586412 | Performance: Long runtimes during rescheduling | 
| 565415 | Perform.: Long runtime when structuring the planning board | 
| 564625 | Performance: Setting up and updating the planning board | 
| 558302 | Performance when planning with characteristics | 
| 556098 | Performance improvement about reading the shipping calendar | 
| 549495 | Deficiency with horizontal segments in planning board | 
| 546367 | Performance: Product view with many batch stocks | 
| 543275 | Performance improvement with location selection | 
| 539820 | SAPBWNews BW 3.1 Content Support Package 03 | 
| 538211 | Bad performance for planning function in planning board | 
| 537258 | Performance: Product view | 
| 536574 | Performance:Receipt/requirements view with several products | 
| 535194 | Performance: Product view with several individual sections | 
| 533824 | Environment analysis for dynamic charts | 
| 533272 | Performance problems when reading campaign data | 
| 530471 | Planning board performance after note 524835 | 
| 525961 | Status line only allows 80 characters | 
| 523217 | SAPBWNews for BW 3.0A Support Package 12 | 
| 517698 | Update: Performance improvement | 
| 511523 | Deactivating geocoding in the location user exit | 
| 504605 | Allocations: Performance in reading product all. assignment | 
| 503634 | Receipt/requirements view: Performance after changes | 
| 501446 | List of all composite and FAQ notes about APO ATP | 
| 458702 | SAPBWNews BW 3.0A Support Package 10 | 
| 458699 | SAPBWNews BW 3.0A Support Package 09 | 
| 457521 | Problem description in scheduling and planning log | 
| 457391 | Detailed scheduling planning board performance improvement | 
| 456125 | Performance: Unnecessary data determination | 
| 453331 | Missing separation line in DS runtime analysis | 
| 452632 | SAPBWNews BW 3.0A Support Package 08 | 
| 452631 | SAPBWNews BW 3.0A Support Package 07 | 
| 452630 | SAPBWNews BW 3.0A Support Package 06 | 
| 444832 | Network alerts in alert monitor called via planning board | 
| 440314 | Error message after action with displayed alerts | 
| 436687 | Composite SAP note: APO integration performance | 
| 432341 | Performance in PP: working without simulation version | 
| 431657 | Performance when reading local production data | 
| 429737 | Performance: Mass conversion of orders | 
| 428271 | Performance of CIF purchase orders | 
| 425998 | SAPBWNews BW 3.0A Support Package 05 | 
| 425997 | SAPBWNews BW 3.0A Support Package 04 | 
| 425995 | SAPBWNews BW 3.0A Support Package 03 | 
| 425470 | Performance problems in reading past alerts | 
| 424886 | Parameter values as of liveCache Version 7.2.5 | 
| 422631 | Performance: Displaying alerts in PP | 
| 421820 | Transaction start in Easy Access: System hangs | 
| 421716 | Backorder proc.: Writing of the queue waits for alerts | 
| 421657 | Backorder processing: runtime display | 
| 421358 | Backorder proc.: Deletion of alerts takes a long time | 
| 421206 | PP: Use of a single SIMSESSION in the Alert Monitor | 
| 421087 | PP/DS: Going to change mode takes a long time | 
| 421030 | Backorder processing: Long runtimes for update | 
| 420681 | ATPFIELD is filled with unnecessary information | 
| 420639 | Performance: Modification with mass conv. of orders | 
| 420400 | Memory problem when reading products to trans. lane | 
| 417835 | APO customer req. timeout runtime error locking problem | 
| 417598 | Posting of sales orders with several items | 
| 417057 | Performance: Mass conversion of external procurement orders | 
| 414730 | SAPBWNews BW 3.0A Support Package 01 | 
| 412803 | Performance: Mass conversion of orders | 
| 410455 | Termination of the initial supply of planned orders | 
| 403250 | Many queue entries in statuses 'RETRY' or 'CPICERR' | 
| 402071 | CIF-PPM: Long runtime during activation | 
| 401026 | Performance improvements reading source of supply | 
| 400712 | Application Log: Performance problems with SLG1 | 
| 399731 | SNP optimizer: Performance (Calender+Transport) | 
| 398952 | Poor performance when you refresh the curve diagram | 
| 398782 | Transportation lanes: Performance improvement during the rea | 
| 398163 | SNP Optimizer: Performance after SP10 | 
| 398020 | Initial data transfer: Performance of matl master transfer | 
| 397599 | SNP Optimiser: short dump because of ABAP Memory | 
| 397533 | Delta report performance: Stock comparison | 
| 396676 | SAPAPO 3.0 COM object Build 18 | 
| 396586 | CIF-PPM: Performance and memory problems | 
| 394088 | APO customer requirements performance | 
| 393378 | Garbage collection beyond 600MB | 
| 393052 | Mass processing: Space problems | 
| 392197 | APO-CIF: QRFC alert for inbound queues | 
| 392045 | APO performance initial data supply of sales order | 
| 392031 | MacroBuilder: performance problems in mass processing | 
| 391780 | Delta report: Long runtime for sales order comparison | 
| 391507 | Performance APO initial supply sales order | 
| 390163 | Supplement to note 335466 ABAP runtime error | 
| 389849 | pi0.2sp4: Do not create any error messages for DLV & TRA | 
| 389618 | Composite Note: APO initial data transfer with sales orders | 
| 389027 | Initial supply terminates with error | 
| 388839 | APO initial data transfer performance with sales orders | 
| 388754 | Performance in the SNP heuristic | 
| 388528 | APO-CIF: Change to inbound queues | 
| 388317 | Source determination performance | 
| 388001 | R/3-APO-CIF: Conversion to inbound queues | 
| 387706 | Initial supply of APO with sales orders | 
| 387130 | Performance: Reading transportation lanes/orders | 
| 387041 | DP 3.0: performance data entry in the grid | 
| 386597 | PPM: Poor performance for function module | 
| 386466 | Performance of initial supply of sales orders | 
| 386404 | Initial supply of APO with sales orders | 
| 386137 | Performance of initial supply with sales orders | 
| 385878 | DP 3.0: Drilldown performance | 
| 385548 | Mass processing: Performance of the lock logic | 
| 384971 | System parameters for high interface load | 
| 384168 | Locked sources of supply scheduled | 
| 384077 | APO: Optimizing CIF Communication | 
| 383057 | Source determination:Performance/quota arrangemnt | 
| 382050 | Deleting (SD) orders: database index is inactive | 
| 381005 | Mass processing: Performance improvement for SP10 | 
| 380927 | DP 3.0: Performance batch processing | 
| 379567 | Performance: Creating the detailed scheduling planning board | 
| 377763 | DP 3.0: Performance of characteristics combinations generatn | 
| 375576 | Performance when exiting interactive planning | 
| 375566 | Large number of entries in tRFC and qRFC tables | 
| 375193 | Backorder processing: Composite SAP note on posting | 
| 374910 | External procurement relationship: Performance / lock table | 
| 374346 | ST05: Performance trace display takes very long | 
| 373269 | APO PP/DS: immediate automatic planning | 
| 372541 | Performance while rescheduling for continual input/output | 
| 372306 | Performance: Determine texts for graphical objects | 
| 371281 | PPM: Incorrect join condition view /sapapo/v_prbres | 
| 370579 | Demand Planning 3.0: Performance Drill Down | 
| 370189 | Performance: Change sorting after planning operation | 
| 369007 | qRFC: Configuration for the QIN Scheduler | 
| 368938 | Performance improvement for consumption | 
| 367111 | Demand Planning 3.0: performance of drill down | 
| 366239 | Demand Planning 3.0: Proportion calc. performance | 
| 366076 | APO PP/DS: Performance in Product View | 
| 365030 | Poor performance for reading order data | 
| 364600 | Automatic planning displays timeout error | 
| 363221 | Consulting: Proportional factors / version copy | 
| 363207 | Perfomance: the rescheduling of operations | 
| 363092 | Demand Planning: Performance Mass Processing | 
| 359912 | PPM: Performance problems d. safety stock planning | 
| 359761 | Demand Planning: loading performance data | 
| 357577 | PPM: Incorrect join cond. view /sapapo/v_prcres | 
| 356850 | PPM maint.:Miss second. Index for PPM table access | 
| 350804 | Message handler: Performance improvement | 
| 350172 | Performance: Rescheduling for best-selling materials | 
| 339131 | ATP: Performance rescheduling w/ many documents f same mat. | 
| 337617 | Unnecessary seconds on capacity planning table | 
| 335575 | Performance: Rescheduling for best seller materials | 
| 335558 | Allocations: Performance improvement of rescheduling | 
| 332053 | Performance: Sorting charts | 
| 331554 | Demand Planning/Kernel 4.6D/POSTING_ILLEGAL_STATEMENT | 
| 330859 | Performance when determining order data | 
| 330854 | ATP: Performance of rescheduling SD | 
| 330530 | Unnecessary call of generic object services | 
| 327974 | No import of material master for APO materials | 
| 327142 | Poor performance as result of automatic sorting | 
| 326037 | Bad performance in rescheduling/background processing | 
| 325298 | Integration APO <--> R/3, sales order, queue error | 
| 322815 | Performance: Reading activities | 
| 321964 | Error in activating table MMRP_REQS | 
| 321954 | Performance in rescheduling | 
| 317093 | Bad performance when reading sales order data | 
| 308538 | Performance problems in integration | 
| 307668 | Performance of scheduling agreement processing | 
| 211940 | Performance problems with the deletion of logs | 
| 198852 | Performance: Creation of the planning board | 
| 195157 | Application log: Deletion of logs | 
| 184407 | Performance: Setup time of APO planning board | 
| 180605 | Oracle database parameter settings for BW | 
| 178337 | Performance: Network presentation orders/operations | 
| 166096 | qRFC installation for 3.xx, 4.0x, 4.5x and 4.6x | 
| 160931 | Performance: Display alternative resources | 
| 160005 | Allocations: Improve performance of rescheduling | 
| 159068 | Performance: Creation of APO planning table | 
| 153667 | Performance SDV03V02 | 
| 150882 | Performance: Calling the APO planning board | 
| 129252 | Oracle DB Statistics for BW Tables | 
| 127715 | CBO: Optimum parameters for performance | 
| 114716 | Performance problems Oracle 8.0.4/all entries | 
| 103212 | Bad performance during SD document update | 
| 90230 | Performance of rescheduling | 
| 74141 | Resource Management for tRFC and aRFC | 
| 19466 | Downloading SAP kernel patches | 
| 11777 | ORA-1632 max # extents <n> reached in index <ind.> |