Multi Tenancy for Cloud-Based In-Memory Column Databases

Multi Tenancy for Cloud-Based In-Memory Column Databases
Author :
Publisher : Springer Science & Business Media
Total Pages : 140
Release :
ISBN-10 : 9783319004976
ISBN-13 : 3319004972
Rating : 4/5 (76 Downloads)

Book Synopsis Multi Tenancy for Cloud-Based In-Memory Column Databases by : Jan Schaffner

Download or read book Multi Tenancy for Cloud-Based In-Memory Column Databases written by Jan Schaffner and published by Springer Science & Business Media. This book was released on 2013-07-03 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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) workload modeling and (ii) data placement. The first involves estimating the (shared) resource consumption for multi tenancy on a single in-memory database server. The second consists in assigning tenants to servers in a way that minimizes the number of required servers (and thus costs) based on the assumed workload model. This step also entails replicating tenants for performance and high availability. This book presents novel solutions to both problems.


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