• Complain

Kumar Amrith - OpenStack Trove

Here you can read online Kumar Amrith - OpenStack Trove full text of the book (entire story) in english for free. Download pdf and epub, get meaning, cover and reviews about this ebook. City: Berkeley;CA, year: 2015, publisher: Apress, genre: Computer. Description of the work, (preface) as well as reviews are available. Best literature library LitArk.com created for fans of good reading and offers a wide selection of genres:

Romance novel Science fiction Adventure Detective Science History Home and family Prose Art Politics Computer Non-fiction Religion Business Children Humor

Choose a favorite category and find really read worthwhile books. Enjoy immersion in the world of imagination, feel the emotions of the characters or learn something new for yourself, make an fascinating discovery.

Kumar Amrith OpenStack Trove

OpenStack Trove: summary, description and annotation

We offer to read an annotation, description, summary or preface (depends on what the author of the book "OpenStack Trove" wrote himself). If you haven't found the necessary information about the book — write in the comments, we will try to find it.

At a Glance; Contents; About the Authors; About the Technical Reviewer; Acknowledgments; Chapter 1: An Introduction to Database as a Service; What Is Database as a Service?; The Database ; The Service ; The Service as a Category; DBaaS Defined; The Challenge Databases Pose to IT Organizations; Characteristics of DBaaS; The Management Plane and the Data Plane ; Tenancy; Single-Tenant Solution; Multitenant Solution; Service Location; The Public Cloud ; The Private Cloud; Managed Private Cloud; Service vs. Platform ; The Benefits of DBaaS; Ease of Provisioning.;OpenStack Trove is your step-by-step guide to set up and run a secure and scalable cloud Database as a Service (DBaaS) solution. The book shows you how to set up and configure the Trove DBaaS framework, use prepackaged or custom database implementations, and provision and operate a variety of databasesincluding MySQL, PostgreSQL, MongoDB, Cassandra, and Redisin development and production environments. Authors Amrith Kumar and Douglas Shelley, both active technical contributors to the Trove project, describe common deployment scenarios such as single-node database instances and walk you through the setup, configuration, and ongoing management of complex database topics like replication, clustering, and high availability. The book provides detailed descriptions of how Trove works and gives you an in-depth understanding of its architecture. It also shows you how to avoid common errors and debug and troubleshoot Trove installations, and perform common tasks such as.

Kumar Amrith: author's other books


Who wrote OpenStack Trove? Find out the surname, the name of the author of the book and a list of all author's works by series.

OpenStack Trove — read online for free the complete book (whole text) full work

Below is the text of the book, divided by pages. System saving the place of the last page read, allows you to conveniently read the book "OpenStack Trove" online for free, without having to search again every time where you left off. Put a bookmark, and you can go to the page where you finished reading at any time.

Light

Font size:

Reset

Interval:

Bookmark:

Make
Amrith Kumar and Douglas Shelley 2015
Amrith Kumar and Douglas Shelley OpenStack Trove 10.1007/978-1-4842-1221-9_1
1. An Introduction to Database as a Service
Amrith Kumar 1 and Douglas Shelley 1
(1)
MA, USA
Database as a Service (DBaaS) is not only a relatively new term but also a surprisingly generic one. Various companies, products, and services have claimed to offer a DBaaS, and this has led to a fair amount of confusion.
In reality though, DBaaS is a very specific term and provides very clear and well-defined benefits. In this chapter, we introduce DBaaS and broadly address the following topics:
  • What is DBaaS
  • The challenge databases pose to IT (information technology) organizations
  • Characteristics of DBaaS
  • The benefits of DBaaS
  • Other similar solutions
  • OpenStack Trove
  • Trove in the OpenStack ecosystem
  • A brief history of Trove
What Is Database as a Service?
As the name implies, DBaaS is a database that is offered to the user as a service . But, what does that really mean?
Does it, for example, imply that the DBaaS is involved in the storage and retrieval of data, and the processing of queries? Does the DBaaS perform activities such as data validation, backups, and query optimization and deliver such capabilities as high availability, replication, failover, and automatic scaling?
One way to answer these questions is to decompose a DBaaS into its two constituent parts, namely, the database and the service .
The Database
There was a time when the term database was used synonymously with relational database management system (RDBMS). That is no longer the case. Today the term is used to refer equally to RDBMS and NoSQL database technologies.
A database management system is a piece of technology, sometimes only software, sometimes with customized and specialized hardware, that allows users to store and retrieve data. The Free Online Dictionary of Computing defines a database management system as A suite of programs which typically manage large structured sets of persistent data, offering ad hoc query facilities to many users.
The Service
Looking now at the other half as a Service we can see that its very essence is the emphasis on the delivery of the service rather than the service being delivered.
In other words, Something as a Service makes it easier for an operator to provide the Something for consumption while offering the consumer quick access to, and the benefit of, the Something in question.
For example, consider that Email as a Service offerings from a number of vendors including Googles Gmail and Microsofts Office365 make it easy for end users to consume e-mail services without the challenges of installing and managing servers and e-mail software.
The Service as a Category
The most common use of the term as a Service occurs when referring to the broad category of Software as a Service (SaaS). This term is often used to refer to applications as a service, like the Salesforce.com customer relationship management (CRM) software, which is offered as a hosted, online service. It also includes Infrastructure as a Service (IaaS) offerings like AWS and Platform as a Service (PaaS) solutions like Cloud Foundry or Engine Yard.
DBaaS is a specific example of SaaS and inherits some of the attributes of SaaS. These include the fact that DBaaS is typically centrally hosted and made available to its consumers on a subscription basis; users only pay for what they use, and when they use it.
DBaaS Defined
One can therefore broadly define a DBaaS to be a technology that
  • Offers these database servers on demand;
  • Provisions database servers;
  • Configures those database servers, or groups of database servers, potentially in complex topologies;
  • Automates the management of database servers and groups of database servers;
  • Scales the provided database capacity automatically in response to system load; and
  • Optimizes the utilization of the supporting infrastructure resources dynamically.
Clearly, these are very broad definitions of capabilities and different offerings may provide each of these to a different degree.
Just as Amazon offers EC2 as a compute service on its AWS public cloud, it also offers a number of DBaaS products. In particular, it provides Relational Database Service (RDS) for relational databases like MySQL or Oracle, a data warehouse as a service in Redshift, and a couple of NoSQL options in DynamoDB and SimpleDB.
OpenStack is a software platform that allows cloud operators and businesses alike to deliver cloud services to their users. It includes Nova, a computing service similar to Amazons EC2, and Swift, an object storage service similar to Amazons S3, as well as numerous other services. One of these additional services is Trove, OpenStacks DBaaS solution.
Unlike Amazons DBaaS offerings, which are database specific, Trove allows you to launch a database from a list of popular relational and nonrelational databases. For each of these databases, Trove provides a variety of benefits including simplified management, configuration, and maintenance throughout the life cycle of the database.
The Challenge Databases Pose to IT Organizations
Databases, and the hardware they run on, continue to be a significant part of the cost and burden of operating an IT infrastructure. Database servers are often the most powerful machines in a data center, and they rely on extremely high performance from nearly all of a computers subsystems.
The interactions with client applications are network intensive, query processing is memory intensive, indexing is compute intensive, retrieving data requires extremely high random disk access rates, and data loads and bulk updates imply that disk writes be processed quickly. Traditional databases also do not tend to scale across machines very well, meaning that all of this horsepower must be centralized into a single computer or redundant pair with massive amounts of resources.
Of course, new database technologies like NoSQL and NewSQL are changing these assumptions, but they also present new challenges. They may scale out across machines more easily, reducing the oversized hardware requirements, but the coordination of distributed processing can tax network resources to an even greater degree.
The proliferation of these new database technologies also presents another challenge. Managing any particular database technology can require a great deal of specialized technical expertise. Because of this, IT organizations have typically only developed expertise in a specific database technology or in some cases a few database technologies. Because of this, they have generally only offered their customers support for a limited number of choices of database technologies. In some cases, this was justified, or rationalized as being a corporate standard .
In recent years, however, development teams and end users have realized that not all databases are created equal. There are now databases that are specialized to particular access patterns like key-value lookup, document management, map traversal, or time series indexing. As a result, there is increasing demand for technologies with which IT has limited experience.
Starting in the latter part of the 2000s, there was an explosion in the so-called NoSQL databases. While it was initially possible to resist these technologies, their benefits and popularity made this extremely difficult.
Next page
Light

Font size:

Reset

Interval:

Bookmark:

Make

Similar books «OpenStack Trove»

Look at similar books to OpenStack Trove. We have selected literature similar in name and meaning in the hope of providing readers with more options to find new, interesting, not yet read works.


Reviews about «OpenStack Trove»

Discussion, reviews of the book OpenStack Trove and just readers' own opinions. Leave your comments, write what you think about the work, its meaning or the main characters. Specify what exactly you liked and what you didn't like, and why you think so.