Sizing

Post date: Mar 22, 2016 3:27:39 PM

Sizing - estimation of CPU cores, RAM and DB required for a particular environment

• DB -Database
• CI - Central Instance - App Server
  • ICM (http://host:port/sap/admin/public/default.html) User webadm with Master password
• SCS - SAP Central Services Instance
  • Message Server(MS) - internal AppServer-to-AppServer communication and load balancing
  • Enqueue Server(Enq) - Database locking Service

High Availabilty - FAQ

• 1614690 - PI >=7.3 AEX - High Availability
• Runtime-load-balancing-control-in-ha-environment

Web Dispatcher - enables HTTP load balancing between App Server instances

• Maintenance Mode
• Node Monitoring
• Web Cache
• URL filter

Application Server

• controlled-restart-of-a-j2ee-engine-in-a-pi-system-with-multiple-application-servers

Java Server Nodes

• Addressing-http-requests-to-the-specific-server-node-in-as-java