Index Server: holds the data and executes all operations
Preprocessor: Pre-process unstructured data
Name Server: Maintains landscape infomation
Statistics Server: Collects performance data about HANA
Sap Host Agent, SAPCAR, Im-structure : Enable LM remote service
Sap Solution Manager Diagnostics Agent : Provides monitoring data into solution manager
Sap HANA Studio GUI + Repository : Repository for HANA Studio updates
Software Update Manager for Sap HANA : Manages SW updates for HANA
原文：http://www.cnblogs.com/grantliu/p/4078881.html