Tcodes: RSDDV, RSADMIN
BI Accelerator is a separate server which runs on TREX (Text Retrieval Extraction). The BI-Accelerator is a an addition to SAP BW 7 version and is now becoming obsolete with the advent of HANA.
BIA serves the purpose of putting some of the data in the memory whereas HANA puts all the data in memory.
Many companies have opted for BIA when it was launched and it has given impressive performance with typical improvement factors between 10 and 100.
Long running Sales/AR/Finance queries have improved drastically when the cubes on which they are based are indexed on BIA. Continue reading →