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What is Softstate

Chapter 6
Handbook of Research on Securing Cloud-Based Databases with Biometric Applications
Soft state is a state, which is useful for efficiency, but not essential, as it can be regenerated or replaced if needed. Soft state reffered to state that could be discarded by the routers as a local decision (e.g. because it was out of room), and the user would continue to receive service, albeit perhaps at a degraded level. In soft state database provides a relaxed view of data in terms of consistency. Information on soft state will expire if it is not refreshed. The value stored in soft state may not be up-to-date but handy for approximations. Soft state data are in changing state over time without user intervention and/or input due to eventual consistency.
Published in Chapter:
NoSQL Databases
Mainak Adhikari (IMPS College of Engineering and Technology, India) and Sukhendu Kar (IMPS College of Engineering and Technology, India)
Copyright: © 2015 |Pages: 44
DOI: 10.4018/978-1-4666-6559-0.ch006
Abstract
NoSQL database provides a mechanism for storage and access of data across multiple storage clusters. NoSQL dabases are finding significant and growing industry to meet the huge data storage requirements of Big data, real time applications, and Cloud Computing. NoSQL databases have lots of advantages over the conventional RDBMS features. NoSQL systems are also referred to as “Not only SQL” to emphasize that they may in fact allow Structured language like SQL, and additionally, they allow Semi Structured as well as Unstructured language. A variety of NoSQL databases having different features to deal with exponentially growing data intensive applications are available with open source and proprietary option mostly prompted and used by social networking sites. This chapter discusses some features and challenges of NoSQL databases and some of the popular NoSQL databases with their features on the light of CAP theorem.
Full Text Chapter Download: US $37.50 Add to Cart
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Chapter 8
NoSQL Databases
In soft state database provides a relaxed view of data in terms of consistency. Information on soft state will expire if it is not refreshed. The value stored in soft state may not be up-to-date but handy for approximations. Soft state data are in changing state over time without user intervention and/or input due to eventual consistency. Whilst soft state is lost or made unavailable due to service instance crashes and overloads, reconstructing it through user interaction or third-tier re-access can be expensive in terms of time and resources.
Published in Chapter: NoSQL Databases; From: Handbook of Research on Cloud Infrastructures for Big Data Analytics
Full Text Chapter Download: US $37.50 Add to Cart
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