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Benefits of Configuring More Memory in the IBM z/OS Software Stack

2017-02-18 Computers
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Release : 2017-02-18
Genre : Computers
Kind : eBook
Book Rating : 962/5 ( reviews)

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Book Synopsis Benefits of Configuring More Memory in the IBM z/OS Software Stack by : Mark Wisniewski

Download or read book Benefits of Configuring More Memory in the IBM z/OS Software Stack written by Mark Wisniewski. This book was released on 2017-02-18. Available in PDF, EPUB and Kindle. Book excerpt: Significant performance benefits can be realized by increasing the amount of memory that is assigned to various functions in the IBM® z/OS® software stack, operating system, and middleware products. IBM DB2® and IBM MQ buffer pools, dump services, and large page usage are just a few of the functions whose ease of use and performance can be improved when more memory is made available to them. The following benefits can realized: Reduced I/O operations Reduced CPU usage Improved transaction response time Potential cost reductions Although the magnitude of these improvements can vary widely based on several factors, including potential I/Os to be eliminated, resource contention, workload, configuration, and tuning, clients must carefully consider whether their environment can benefit from the addition of memory to the software functions that are described in this IBM RedpaperTM publication. This paper describes the performance implications of increasing memory in the following areas: DB2 buffer pools DB2 tuning IBM Cognos® Dynamic Cubes MDM with larger DB2 buffer pools Java heaps and Garbage Collection tuning and Java large page use MQ v8 64-bit buffer pool tuning Enabling more in-memory use by IBM CICS® without paging TCP/IP FTP DFSort I/O reduction Fixed pages and fixed large pages

Getting Started: Journey to Modernization with IBM Z

2021-03-15 Computers
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Release : 2021-03-15
Genre : Computers
Kind : eBook
Book Rating : 534/5 ( reviews)

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Book Synopsis Getting Started: Journey to Modernization with IBM Z by : Makenzie Manna

Download or read book Getting Started: Journey to Modernization with IBM Z written by Makenzie Manna. This book was released on 2021-03-15. Available in PDF, EPUB and Kindle. Book excerpt: Modernization of enterprise IT applications and infrastructure is key to the survival of organizations. It is no longer a matter of choice. The cost of missing out on business opportunities in an intensely competitive market can be enormous. To aid in their success, organizations are facing increased encouragement to embrace change. They are pushed to think of new and innovative ways to counter, or offer, a response to threats that are posed by competitors who are equally as aggressive in adopting newer methods and technologies. The term modernization often varies in meaning based on perspective. This IBM® Redbooks® publication focuses on the technological advancements that unlock computing environments that are hosted on IBM Z® to enable secure processing at the core of hybrid. This publication is intended for IT executives, IT managers, IT architects, System Programmers, and Application Developer professionals.

High Availability and Scalability of Mainframe Environments Using System Z and Z/OS as Example

2014-05-19 Computers
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Release : 2014-05-19
Genre : Computers
Kind : eBook
Book Rating : 221/5 ( reviews)

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Book Synopsis High Availability and Scalability of Mainframe Environments Using System Z and Z/OS as Example by : Robert Vaupel

Download or read book High Availability and Scalability of Mainframe Environments Using System Z and Z/OS as Example written by Robert Vaupel. This book was released on 2014-05-19. Available in PDF, EPUB and Kindle. Book excerpt: Mainframe computers are the backbone of industrial and commercial computing, hosting the most relevant and critical data of businesses. One of the most important mainframe environments is IBM System z with the operating system z/OS. This book introduces mainframe technology of System z and z/OS with respect to high availability and scalability. It highlights their presence on different levels within the hardware and software stack to satisfy the needs for large IT organizations.

Getting Started with z/OS Data Set Encryption

2021-12-10 Computers
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Release : 2021-12-10
Genre : Computers
Kind : eBook
Book Rating : 222/5 ( reviews)

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Book Synopsis Getting Started with z/OS Data Set Encryption by : Bill White

Download or read book Getting Started with z/OS Data Set Encryption written by Bill White. This book was released on 2021-12-10. Available in PDF, EPUB and Kindle. Book excerpt: This IBM® Redpaper Redbooks® publication provides a broad explanation of data protection through encryption and IBM Z® pervasive encryption with a focus on IBM z/OS® data set encryption. It describes how the various hardware and software components interact in a z/OS data set encryption environment. In addition, this book concentrates on the planning and preparing of the environment and offers implementation, configuration, and operational examples that can be used in z/OS data set encryption environments. This publication is intended for IT architects, system programmer, and security administrators who plan for, deploy, and manage security on the Z platform. The reader is expected to have a basic understanding of IBM Z security concepts.

IBM z/OS V2R2: Performance

2015-12-17 Computers
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Release : 2015-12-17
Genre : Computers
Kind : eBook
Book Rating : 325/5 ( reviews)

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Book Synopsis IBM z/OS V2R2: Performance by : Keith Winnard

Download or read book IBM z/OS V2R2: Performance written by Keith Winnard. This book was released on 2015-12-17. Available in PDF, EPUB and Kindle. Book excerpt: This IBM® Redbooks® publication helps you to become familiar with the technical changes that were introduced into the performance areas with IBM z/OS® V2R2. This book is one of a series of IBM Redbooks publications that take a modular approach to providing information about the updates that are contained within z/OS V2R2. This approach has the following goals: - Provide modular content - Group the technical changes into a topic - Provide a more streamlined way of finding relevant information based on the topic. We hope you find this approach is useful. We value your feedback.

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