After the BW version 7.3 SP5 we can run SAP BW on SAP HANA platform , before migrate our SAP BW to new HANA platform , SAP recommendation is using the following new ABAP sizing report to calculate new machine specifications.
Before using this report , our system’s ST-PI version has to 2008_1_7XX SP06 or higher.
Our SAP system’s ST-PI version is like below ;
We can start with executing the related report via transaction se38
We can fill the below areas regarding to our system and future plans.
Following two picture will help you to commentate the report output
HANA Memory sizing ;
HANA Disk Sizing ;
Our SAP BW system’s report output is shown below ;
For physical memory , recommendation is 256 GB according to our selections before execute the report.
In below picture , we can see that “Needed Store Sizes” shown
System Memory ;
Node with 256 GB.
Available Memory : 244 GB (256 GB – 12 Gb = 244 GB. , you can check above “How to size HANA system” picture)
Needed memory for services / caches : 50 GB.
Free memory for data : 244 GB - 50 GB = 194 GB
Memory for data : 194 GB
System Data ;
Row Store : 0 GB
Master Column Store : 20 GB
Worker Column Store : 4 GB
Memory Services : 50 GB
Total Data : 74 GB
74 GB < 194 GB OK
You can find the details in the following OSS Note ;