Synopses & Reviews
With the proliferation of Software-as-a-Service (SaaS) offerings, it is becoming increasingly important for individual SaaS providers to operate their services at a low cost. This book investigates SaaS from the perspective of the provider and shows how operational costs can be reduced by using "multi tenancy," a technique for consolidating a large number of customers onto a small number of servers. Specifically, the book addresses multi tenancy on the database level, focusing on in-memory column databases, which are the backbone of many important new enterprise applications. For efficiently implementing multi tenancy in a farm of databases, two fundamental challenges must be addressed, (i)
Examining Software-as-a-Service (SaaS) from the perspective of the provider, this book shows how operational costs can be reduced by using "multi tenancy," a technique for consolidating a large number of customers onto a small number of servers.
About the Author
Jan Schaffner received his B.Sc. and M.Sc. degrees from the Hasso Plattner Institute at the University in Potsdam, Germany, where he also pursued his doctoral studies. His main research interests are In-Memory Databases and Databases-as-a-Service. In the former area, he has been collaborating with SAP for six years and contributed to initial concepts of the SAP HANA database. In the latter area, Jan has been collaborating with the University of California, Berkeley for three years.
Table of Contents
1. Introduction.- 2. Background and Motivation.- 3. A Model for Load Management and Response Time Prediction.- 4. The Robust Tenant Placement and Migration Problem.- 5. Algorithms for RTP.- 6. Experimental Evaluation.- 7. Related Work.- 8. Conclusions and Perspectives.