Master Data Processes

Description

  • This section describes the processes with master data.
  • After the POS Client is started for the first time, the pump is downloaded from the central server:
    • from SDC (see Sizing Guide Store Device Control)
    • or via Store Hub (see Sizing Guide Store Hub)
  • The master data are imported in the next step:
    • Items
    • Customers
    • Suppliers
    • Workstations
    • Drawers
    • Operators
  • After the import of master data from the initialization pump, the POS Client is completely ready for login.
  • All changes to the master data or new master data are sent from SDC (see Sizing Guide Store Device Control) in transport objects or in an updated pump.
  • The threshold property to decide whether new data is sent in transport objects or in a new pump.
gkr.md.replication.uni.replicationIntoNewDatabaseThreshold=100000
Table 1. Critical use of system resources in master data processes
Process System resources
CPU Memory HDD Network
Delivery of pump files (green star) (green star)) (green star)) (yellow star)
Import of master data from pump file (red star) (green star)) green star)) (green star)
Delivery of transport objects (green star)) (green star)) (yellow star) (green star)
Table 2. Legend
(green star) Low load (yellow star) Medium load (red star) High load

Delivery of Pump Files

  • The pump is downloaded from the central server.
  • Network traffic is the main factor influencing the performance of the pump transport.
    • When downloading a pump to multiple clients simultaneously, performance is limited by network throughput.
Table 3. Influenced processes
Factor Dependency Value
Pump size linear
  • Sizing Calculator - Sheet "POS replication" (see Master Sizing Guide)
Network connectivity linear
  • Sizing Calculator - Sheet "Network summary" (see Master Sizing Guide)

Import of Master Data from Pump File

  • Importing master data is CPU-intensive.
  • It is not recommended to perform additional operations during these processes.
Table 4. Influenced processes
Factor Dependency Value
Amount of items linear
  • Sizing Calculator - Sheet "POS replication" (see Master Sizing Guide)
Size of one item linear
  • Sizing Calculator - Sheet "POS replication" (see Master Sizing Guide)

Delivery of Transport Objects

  • A transport object can contain new master data or changes to existing master data.
  • Receiving a large number of transport objects causes high disk usage.
Table 5. Influenced processes
Factor Dependency Value
Number of transport objects linear
  • Sizing Calculator - Sheet "POS replication" (see Master Sizing Guide)
Size of one transport object linear
  • Sizing Calculator - Sheet "POS replication" (see Master Sizing Guide)