System Configuration Diagram

  Tablespace sizes were increased to support the Injection rate.
  Scripts to create the DB are included in the FDA.

  The load program was not modified.

  The following beans: PartEnt, ComponentEnt, AssemblyEnt, BomEnt and
  LargeOrderEnt in the Manufacturing Domain, ItemEnt in the Orders Domain,
  and SupplierCompEnt and SupplierEnt in the Supplier Domain were
  accessed using READ_COMMITTED which is Cursor Stability (CS) for DB2.
  The remaining beans were accessed using
  translates to DB2 isolation level of Read Stability (RS)
  
  The ItemEnt bean was cached for 15 minute intervals by setting
  concurrency-strategy to ReadOnly and
  read-timeout-seconds to 900
  in bea-orders.xml deployment descriptor.                      =

  To ensure database durability, RAID 1 (mirror disks)
  was used for the database logs on the Inspur CX300 array.
  
  Each application server has a pair of mirrored disks (using
  onboard controller) to provide durability for all the server
  logs and filestore for JMS persistence.

  An 75 minute run at an injection rate of 890 increased storage by 723 MB
  This extrapolates to 14 GB of storage for a 24 hour run.
  The database is configured with 60 GB of storage.
  One of the Inspur CX300 disk arrarys was configured as a single RAID 1
  logical drive for database log files (including 10 hard drives).
  The other one was configured as a single RAID 0 logical drive for
  database data files (including 15 hard drives).

  BEA WebLogic 9.2 uses pass-by-value as required by the EJB Specification.

Supplier  Description                                Product No.          Qty
--------  ----------------------------------------   ------------------   ---
Inspur    CPU_I_5160-XD3.0_F1333_4M                  V015W010K0L0B00D      4
Inspur    CPU heat sink                              V1934090A0H05009      4
Inspur    8GB memory using 1GB DIMMS                 V025S07330L0F042      16
Inspur    73GB 10K Hot Plug SAS Drive                V0377040G0U03003      6
Inspur    RAID_controller_128M_U320_PCI              V061M1109120000M      2
Inspur    Motherboard_5000P_ESB2_dual_Gbit_NIC       V0433040S0L0100A      2
Inspur    Power_650W                                 V072R080P0B0700B      2
Inspur    CD-ROM_52X                                 V12300B04280500C      2
Inspur    Floppy_drive                               V1250MILS3010000      2
Inspur    NF380D_chassis                             V08950209000000F      2
Inspur    Mouse                                      V120B06LS0104000      2
Inspur    Keyboard                                   C0A0R0105020H00A      2
Inspur    15" CRT Monitor                            V110AGJLS0104150      2

Inspur    CPU_I_XM3.4_F800_2X1M_16M                  V014Q010F0P0B00A      4
Inspur    CPU heat sink                              V093J010Z0N00000      4
Inspur    16GB memory using 1GB DIMMS                V025M070V0L0C042      16
Inspur    73GB 10K Hot Plug Ultra320 SCSI Drive      V034M050G0303002      1
Inspur    PCI-X 2 Port 1000 BaseT Gigabit Adapter    V052110141711000      1
Inspur    PCI-X 2Gb Fibre Channel HBA                V0B1304040300000      2
Inspur    Power                                      V093Q01100P09000      2
Inspur    Chassis_motherboard_dual-port-NIC_CD-ROM   V096J011K0000000      1
Inspur    USB Floopy Drive                           V123AMIHE3003004      1
Inspur    Mouse                                      V120C06HE0103000      1
Inspur    Keyboard                                   C0A0S0105030H008      1
Inspur    15" CRT Monitor                            V110AGJLS0104150      1

Inspur    CX300 disk array                           V246F0L32130F031      2
Inspur    146GB 10K RPM FC hard drive                V03C0070Q0N03000      25

BEA       BEA WebLogic Server 9.2 License,  Advantage Edition              4 
BEA       3-year 24x7x4 Support for WebLogic Server                        4

IBM       DB2 UDB ENTERPRISE SERVER EDITION PROCESSOR  D518GLL             8
          LIC+SW MAINT 12 MO
IBM       DB2 UDB ENTERPRISE SERVER EDITION PROCESSOR  E00BILL             16
          SW MAINT RNWL 1 ANNIV

  The submission used round-robin DNS for load-balance of
  all network requests. The DNS server was hosted
  on the database server.
  
  This submission used the xerces implementation 2.6.2 provided
  with WebLogic 9.2

The only errors in the driver log files were those that are normally generated
by this benchmark.

DB2 uses "Soft" checkpoint to ensure that no updates remain unflushed for
longer than the allowed time.

When DB2 UDB Server changes a database table with an update, insert, or delete
operation, the change is initially made in memory, not on disk. When there is
not enough space in the memory buffer to read in or write additional data
pages, DB2 UDB Server will make space by flushing some modified pages to disk.
Modified pages are also written to disk as part of the "Soft" checkpoint to
ensure that no updates remain unflushed for longer than the allowed time.
Before a change is made to the database, it is first recorded in the
transaction log. This ensures that the database can be recovered completely
in the event of a failure. Using the transaction log, transactions that
started but did not complete prior to a failure can be undone, and
transactions recorded as complete in the transaction log but not yet written
to disk can be redone.

DB2 UDB uses a write-ahead-logging protocol to guarantee recovery. This
protocol uses "Soft" checkpoint to write least-recently-used database
to disk independent of transaction commit. However, enough log information to
redo/undo the change to a database pages is committed to disk before the
database page itself is written. This protocol therefore renders checkpoint
unnecessary for DB2 UDB.