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| cics performance guide: IBM CICS Performance Series: CICS TS for z/OS V5 Performance Report Ian Burnett, Graham Rawson, Mike Brooks, Manuela Mandelli, IBM Redbooks, 2019-08-08 This IBM Redbooks® publication gives a broad understanding of several important concepts that are used when describing IBM CICS Transaction Server (TS) for IBM z/OS (CICS TS) performance. This publication also describes many of the significant performance improvements that can be realized by upgrading your environment to the most recent release of CICS TS. This book targets the following audience: Systems Architects wanting to understand the performance characteristics and capabilities of a specific CICS TS release. Capacity Planners and Performance Analysts wanting to understand how an upgrade to the latest release of CICS TS affects their environment. Application Developers wanting to design and code highly optimized applications for deployment into a CICS TS environment. This book covers the following topics: A description of the factors that are involved in the interaction between IBM z® Systems hardware and a z/OS software environment. A definition of key terminology that is used when describing the results of CICS TS performance benchmarks. A presentation of how to collect the required data (and the methodology used) when applying Large Scale Performance Reference (LSPR) capacity information to a CICS workload in your environment. An outline of the techniques that are applied by the CICS TS performance team to achieve consistent and accurate performance benchmark results. High-level descriptions of several key workloads that are used to determine the performance characteristics of a CICS TS release. An introduction to the open transaction environment and task control block (TCB) management logic in CICS TS, including a reference that describes how several configuration attributes combine to affect the behavior of the CICS TS dispatcher. Detailed information that relates to changes in performance characteristics between successive CICS TS releases, covering comparisons that relate to CICS TS V4.2, V5.1, V5.2, V5.3, V5.4, and V5.5. The results of several small performance studies to determine the cost of using a specific CICS functional area. |
| cics performance guide: Customer Information Control System CICS/MVS : Version 2:1 : Performance Guide International Business Machines Corporation, 1988 |
| cics performance guide: CICS Eugene S. Hudders, 1992 This handbook is for systems programmers tasked with maintaining high performance while adding more terminals, programs, transactions and files. Topics include introduction to CICS performance tuning, operation system tuning, network considerations in a CICS environment, guidelines to VSAM optimization and design, and customizing CICS tables. |
| cics performance guide: Architect's Guide to IBM CICS on System z Phil Wakelin, Ahmed Farrag, Steve Hobson, Manuel Jaen, Tommy Joergensen, Thiago Rotta, IBM Redbooks, 2012-11-20 IBM® CICS® Transaction Server (CICS TS) has been available in various guises for over 40 years, and continues to be one of the most widely used pieces of commercial software. This IBM Redbooks® publication helps application architects discover the value of CICS Transaction Server to their business. This book can help architects understand the value and capabilities of CICS Transaction Server and the CICS tools portfolio. The book also provides detailed guidance on the leading practices for designing and integrating CICS applications within an enterprise, and the patterns and techniques you can use to create CICS systems that provide the qualities of service that your business requires. |
| cics performance guide: Threadsafe Considerations for CICS Chris Rayns, George Bogner, Philip Hale, Em James, Peter Klein, John Tilling, IBM Redbooks, 2012-04-05 Beginning with IBM® CICS® Version 2, applications can run on TCBs apart from the QR TCB, which has positive implications for improving system throughput and for implementing new technologies inside of CICS. Examples of implementing new technologies include using the IBM MVSTM Java virtual machine (JVM) inside CICS and enabling listener tasks written for other platforms to be imported to run under CICS. The newest release, CICS Transaction Server for z/OS® (CICS TS) V4.2, includes scalability enhancements so that you can perform more work more quickly in a single CICS system. The advantage of this enhancement is that you can increase vertical scaling and decrease the need to scale horizontally, reducing the number of regions that are required to run the production business applications. The scalability enhancements in CICS TS V4.2 fall into two broad areas, which are increased usage of open transaction environment (OTE) and of 64-bit storage. This IBM Redbooks® publication is a comprehensive guide to threadsafe concepts and implementation for IBM CICS. This book explains how systems programmers, applications developers, and architects can implement threadsafe applications in an environment. It describes the real-world experiences of users, and our own experiences, of migrating applications to be threadsafe. This book also highlights the two most critical aspects of threadsafe applications: system performance and integrity. |
| cics performance guide: System z Parallel Sysplex Best Practices Frank Kyne, Bert de Beer, Luis Martinez, Harriet Morril, Miha Petric, David Viguers, Suzi Wendler, IBM Redbooks, 2011-01-11 This IBM® Redbooks® publication pulls together diverse information regarding the best way to design, implement, and manage a Parallel Sysplex® to deliver the levels of performance and availability required by your organization. This book should be of interest to system programmers, availability managers, and database administrators who are interested in verifying that your systems conform to IBM best practices for a Parallel Sysplex environment. In addition to z/OS® and the sysplex hardware configuration, this book also covers the major IBM subsystems: CICS® DB2® IMSTM MQ WebSphere® Application Server To get the best value from this book, readers should have hands-on experience with Parallel Sysplex and have working knowledge of how your systems are set up and why they were set up in that manner. |
| cics performance guide: DB2 , 1988 |
| cics performance guide: The Complete Guide to CICS Transaction Gateway Volume 1 Configuration and Administration Rufus Credle, Sue Bayliss, Leigh Compton, Robert Jones, Manuela Mandelli, Richard Mercadante, IBM Redbooks, 2014-08-08 In this IBM® Redbooks® publication, you will gain an appreciation of the IBM CICS® Transaction Gateway (CICS TG) product suite, based on key criteria, such as capabilities, scalability, platform, CICS server support, application language support, and licensing model. Matching the requirements to available infrastructure and hardware choices requires an appreciation of the choices available. In this book, you will gain an understanding of those choices, and will be capable of choosing the appropriate CICS connection protocol, APIs for the applications, and security options. You will understand the services available to the application developer when using a chosen protocol. You will then learn about how to implement CICS TG solutions, taking advantage of the latest capabilities, such as IPIC connectivity, high availability, and Dynamic Server Selection. Specific scenarios illustrate the usage of CICS TG for IBM z/OS®, and CICS TG for Multiplatforms, with CICS Transaction Server for z/OS and IBM WebSphere® Application Server, including connections in CICS, configuring simple end-to-end connectivity (all platforms) with verification for remote and local mode applications, and adding security, XA support, and high availability. |
| cics performance guide: IBM CICS and Liberty: What You Need to Know Hernan Cunico, Andreas Hümmer, Jonathan Lawrence, Shayla Robinson, Andre Schreiber, Inderpal Singh, Prabhat Srivastava, Phil Wakelin, Dan Zachary, IBM Redbooks, 2017-03-15 This IBM® Redbooks® publication, intended for architects, application developers, and system programmers, describes how to design and implement Java web-based applications in an IBM CICS® Liberty JVM server. This book is based on IBM CICS Transaction Server V5.3 (CICS TS) using the embedded IBM WebSphere® Application Server Liberty V8.5.5 technology. Liberty is an asset to your organization, whether you intend to extend existing enterprise services hosted in CICS, or develop new web-based applications supporting new lines of business. Fundamentally, Liberty is a composable, dynamic profile of IBM WebSphere Application Server that enables you to provision Java EE technology on a feature-by-feature basis. Liberty can be provisioned with as little as the HTTP transport and a servlet web container, or with the entire Java EE 6 Web Profile feature set depending on your application requirements. This publication includes a Technology Essentials section for architects and application developers to help understand the underlying technology, an Up-and-Running section for system programmers implementing the Liberty JVM server for the first time, and a set of real-life application development scenarios. |
| cics performance guide: Guide to Services Offered by the Computer Technology and Telecommunications Staff , 1990 |
| cics performance guide: System Programmer's Guide to Z/OS System Logger Frank Kyne, 2007 The z/OS System Logger is a function provided by the operating system to exploiters running on z/OS. The number of exploiters of this component is increasing, as is its importance in relation to system performance and availability. This IBM Redbooks document provides system programmers with a solid understanding of the System Logger component and guidance about how it should be set up for optimum performance with each of the exploiters. System Logger is an MVS component that provides a logging facility for applications running in a single-system or multi-system sysplex. The advantage of using System Logger is that the responsibility for tasks such as saving the log data (with the requested persistence), retrieving the data (potentially from any system in the sysplex), archiving the data, and expiring the data is removed from the creator of the log records. In addition, Logger provides the ability to have a single, merged, log, containing log data from multiple instances of an application within the sysplex. |
| cics performance guide: IMS 12 Selected Performance Topics Paolo Bruni, Rafael Avigad, James Martin, Maiko Mizuki, Bhups Narsi, John Schlatweiler, IBM Redbooks, 2013-01-08 IBM® Information Management System (IMSTM) provides leadership in performance, reliability, and security to help you implement the most strategic and critical enterprise applications. IMS, IMS utilities, and IMS tools continue to evolve to provide value and meet the needs of enterprise customers. With IMS 12, integration and open access improvements provide flexibility and support business growth requirements. Scalability improvements have been made to the well-known performance, efficiency, availability, and resilience of IMS by using 64-bit storage. In this IBM Redbooks® publication we provide IMS performance monitoring and tuning information by describing the key IMS performance functions and by showing how to monitor and tune them with traditional and new strategic applications. This book is for database administrators and system programmers. We summarize methods and tools for monitoring and tuning IMS systems, describe IMS system-wide performance, database, and transaction considerations. Based on lab measurements, we provide information about recent performance enhancements that are available with IMS 12, and advice about setting performance-related parameters. |
| cics performance guide: Liberty in IBM CICS: Deploying and Managing Java EE Applications Phil Wakelin, Carlos Donatucci, Jonathan Lawrence, Mitch Johnson, Michael Jones, Tito Paiva, IBM Redbooks, 2018-03-29 This IBM® Redbooks® publication is intended for IBM CICS® system programmers and IBM Z architects. It describes how to deploy and manage Java EE 7 web-based applications in an IBM CICS Liberty JVM server and access data on IBM Db2® for IBM z/OS® and IBM MQ for z/OS sub systems. In this book, we describe the key steps to create and install a Liberty JVM server within a CICS region. We then describe how to best use the different deployment techniques for Java EE applications and the specific considerations when deploying applications that use JDBC, JMS, and the new CICS link to Liberty API. Finally, we describe how to secure web applications in CICS Liberty, including transport-level security and request authentication and authorization by using IBM RACF® and LDAP registries. Information is also provided about how to build a high availability infrastructure and how to use the logging and monitoring functions that are available in the CICS Liberty environment. This book is based on IBM CICS Transaction Server (CICS TS) V5.4 that uses the embedded IBM WebSphere® Application Server Liberty technology. It is also applicable to CICS TS V5.3 with the fixes for the continuous delivery APAR PI77502 applied. Sample applications are used throughout this publication and are freely available for download from the IBM CICSDev GitHub organization along with detailed deployment instructions. |
| cics performance guide: IBM Problem Determination Tools for z/OS Rufus Credle, Vikram Manchala, Dana Shelton, Kenichi Yoshimura, IBM Redbooks, 2013-01-27 IBM® Problem Determination (PD) Tools consists of a core group of IBM products that are designed to work with compilers and run times to provide a start-to-finish development solution for the IT professional. This IBM Redbooks® publication provides you with an introduction to the tools, guidance for program preparation to use with them, an overview of their integration, and several scenarios for their use. If an abend occurs during testing, Fault Analyzer enables the programmer to quickly and easily pinpoint the abending location and optionally, the failing line of code. Many times, this information is all the programmer requires to correct the problem. However, it might be necessary to delve a little deeper into the code to figure out the problem. Debug Tool allows the programmer to step through the code at whatever level is required to determine where the error was introduced or encountered. After the code or data is corrected, the same process is followed again until no errors are encountered. However, volume testing or testing with multiple terminals is sometimes required to ensure real-world reliability. Workload Simulator can be used to perform this type of testing. After all of the tests are completed, running the application by using Application Performance Analyzer can ensure that no performance bottlenecks are encountered. It also provides a baseline to ensure that future enhancements do not introduce new performance degradation into the application. This publication is intended for z/OS® application developers and system programmers. |
| cics performance guide: IMS Performance and Tuning Guide Jouko Jantti, David Matthews, Jayesh Prag, Dave Viguers, Yuan Yi, Pete Ziegenfelder, 2006 This IBM Redbooks publication provides IMS performance monitoring and tuning information. This book differs from previous IMS performance and tuning IBM Redbooks in that there is less emphasis on the internal workings of IMS and more information about why and how certain options can affect the performance of IMS. Most of the information in the previous book IMS Version 7 Performance Monitoring and Tuning Update, SG24-6404, is still valid, and in most cases, continues to be valid in any future versions of IMS. This book is not an update or rewrite but instead attempts to be more of a guide than a reference. As such, the team gathered experiences and data from actual production environments as well as from IBM benchmarks and solicited input from experts in as many areas as possible. You should be able to find valuable new information and perhaps validate things you might have questioned. Hardware and software characteristics are constantly changing, but hopefully the information that you find here provides a basis to help you react to change and to keep your IMS running efficiently. In this book, we introduce methods and tools for monitoring and tuning IMS systems, and in addition to IMS TM and DB system-wide performance considerations, we dedicate separate chapters for application considerations, IMS and DB2 interoperability, the Parallel Sysplex environment, and On Demand considerations. |
| cics performance guide: ARCHIVED: Pooled JVM in CICS Transaction Server V3 Chris Rayns, George Burgess, Scott Clee, Tom Grieve, John Taylor, Yun Peng Ge, Guo Qiang Li, Qian Zhang, Derek Wen, IBM Redbooks, 2015-06-17 NOTE: This book contains information about technologies that have been superseded and it is retained for historical purposes only. IBM CICS Transaction Server (CICS TS) has supported the deployment of Java applications since the 1990's. In CICS TS V1.3 (1999), IBM introduced the 'Pooled JVM' style of JVM infrastructure within CICS TS. This infrastructure was designed to be similar in nature to that which a CICS application developer for a language such as COBOL would be used to. It brought the benefits of the new Java language to CICS TS, without a dramatic change to the way CICS users thought of core concepts such as re-entrancy and isolation. As enterprise usage of Java evolved it began to make more and more use of multi-threaded environments where isolation was not a desired characteristic. Additionally, technologies such as OSGi (Open Service Gateway Initiative) evolved to overcome some of the original disadvantages of applying Java to an enterprise environment. As such, the limitations of the 'Pooled JVM' approach began to outweigh the benefits. In CICS TS V4.1 (2009), IBM introduced the new 'JVM server' infrastructure in CICS TS as a replacement to the 'Pooled JVM' approach. This 'JVM server' infrastructure provides a much more standard Java environment that makes the writing and porting of Java applications for CICS TS much simpler. In CICS TS V5.1 (2012), support for the old 'Pooled JVM' infrastructure was removed. While there is a relatively simple migration path from 'Pooled JVM' to 'JVM server', applications should no longer be written to the 'Pooled JVM' infrastructure. There are a number of more recent IBM Redbooks publications covering the replacement 'JVM server' technology, including: IBM CICS and the JVM server: Developing and Deploying Java Applications, SG24-8038 A Software Architect's guide to New Java Workloads in IBM CICS Transaction Server, SG24-8225 |
| cics performance guide: Improving z/OS Application Availability by Managing Planned Outages Frank Kyne, Andy Clifton, Justin Deane, Fernando Ferreira, Richard Gunjal, Chuck Laurent, John Papp, Judy Ruby-Brown, Maida Snapper, Michael Stephen, Dave Viguers, Marna Walle, Yvonne Zemotel, IBM Redbooks, 2014-12-22 This IBM® Redbooks® publication is intended to make System Programmers, Operators, and Availability Managers aware of the enhancements to recent releases of IBM z/OS® and its major subsystems in the area of planned outage avoidance. It is a follow-on to, rather than a replacement for, z/OS Planned Outage Avoidance Checklist, SG24-7328. Its primary objective is to bring together in one place information that is already available, but widely dispersed. It also presents a different perspective on planned outage avoidance. Most businesses care about application availability rather than the availability of a specific system. Also, a planned outage is not necessarily a bad thing, if it does not affect application availability. In fact, running for too long without an IPL or subsystem restart might have a negative impact on application availability because it impacts your ability to apply preventive service. Therefore, this book places more focus on decoupling the ability to make changes and updates to your system from IPLing or restarting your systems. |
| cics performance guide: System z Mean Time to Recovery Best Practices Frank Kyne, Judi Bank, David Sanders, Mark Todd, David Viguers, Cheryl Watson, Shulian Yang, IBM Redbooks, 2010-03-22 This IBM® Redbooks® publication provides advice and guidance for IBM z/OS® Version 1, Release 10 and subsystem system programmers. z/OS is an IBM flagship operating system for enterprise class applications, particularly those with high availability requirements. But, as with every operating system, z/OS requires planned IPLs from time to time. This book also provides you with easily accessible and usable information about ways to improve your mean time to recovery (MTTR) by helping you achieve the following objectives: - Minimize the application down time that might be associated with planned system outages. - Identify the most effective way to reduce MTTR for any time that you have a system IPL. - Identify factors that are under your control and that can make a worthwhile difference to the startup or shutdown time of your systems. |
| cics performance guide: CMG'89 Proceedings , 1989 |
| cics performance guide: Migration to CICS Transaction Server for z/VSE V2.1 Klaus Wacker, Ingolf Salm, IBM Redbooks, 2017-05-10 The IBM® CICS® Transaction Server for z/VSE® (CICS TS for z/VSE) 2.1 provides functions to improve application programming, system programming, system management, and data security and availability. With CICS TS for z/VSE 2.1, you can use the extended functionality of Basic Security Manager. CICS TS for z/VSE 2.1 can be administrated by the IBM CICS Explorer® function on a workstation, which allows CICS management in a convenient way. This IBM Redbooks® publication provides information to help you install, tailor, and configure the CICS TS for z/VSE 2.1 product. The book is intended for IBM z/VSE customers and IBM technical personnel who are responsible for planning and migrating to IBM z/VSE 6.1 and CICS TS for z/VSE 2.1. The book also provides information to help you understand the affect of migrating to CICS TS for z/VSE 2.1. It provides detailed guidance and samples for installing and configuring CICS TS for z/VSE 2.1. Also included in the book is a description of the CICS TS for z/VSE 2.1 features and capabilities and the affect of removing obsolete functions. The book also covers security and performance issues and provides samples for first level problem determination through the use of memory dumps or the use of trace tools. |
| cics performance guide: DB2 for z/OS Version 8 DBA Certification Guide Susan Lawson, 2004-10-28 A practical guide to DB2 z/OS database administration that is 100 percent focused on running DB2 in z/OS environments The only comprehensive preparation guide for the IBM Certified Database Administrator for DB2 Universal Database V8 z/OS certification Covers database planning, design, implementation, operation, recovery, security, performance, installation, migration, and more Sample test questions help you prepare for both IBM DB2 DBA Tests 700 and 702 IBM DB2 Universal Database Version 8 for z/OS offers enterprises unprecedented opportunities to integrate information, deliver it on demand, and manage it simply and cost-effectively. Now, one of the world's leading DB2 consultants presents the definitive guide to administering DB2 UDB V8 databases in z/OS environments. DB2 for z/OS Version 8 DBA Certification Guide also serves as a key tool for anyone preparing for IBM Certified Database Administrator for DB2 Universal Database V8 for z/OS certification. IBM Gold Consultant Susan Lawson presents hundreds of practical techniques, expert guidelines, and useful tips for every facet of DB2 UDB database administration, including database implementation, operation, recovery, security, auditing, performance, installation, migration, SQL, and more. Coverage includes Understanding the DB2 product family, architecture, attachments, and the DB2 z/OS environment Securing enterprise-class DB2 installations and applications Using SQL to create and manage database objects, and manipulate and retrieve information Mastering key DBA tasks, including loading, reorganizing, quiescing, repairing, and recovering data; recovering and rebuilding indexes; and gathering statistics Implementing data sharing in Parallel Sysplex environments Learning the fundamentals of DB2 application development from the DBA's perspective Leveraging advanced DB2 functions, including stored procedures and other object-relational extensions Optimizing DB2 applications and the DB2 engine for maximum performance Whether you are administering DB2 UDB V8 in z/OS environments, planning to do so, or preparing for DB2 UDB V8 DBA certification, DB2 for z/OS Version 8 DBA Certification Guide will be your single most valuable resource. |
| cics performance guide: IBM CICS Interdependency Analyzer Em James, 2015 |
| cics performance guide: Benefits of Configuring More Memory in the IBM z/OS Software Stack Mark Wisniewski, Brenda Beane, David Betten, Clark Goodrich, Akiko Hoshikawa, David Herr, Catherine Moxey, Tony Sharkey, Pete Siddall, Robin Tanenbaum, Elpida Tzortzatos, David L Zhang, IBM Redbooks, 2017-02-18 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 |
| cics performance guide: System Programmer's Guide To--Workload Manager Pierre Cassier, 2005* |
| cics performance guide: Implementing IBM CICS JSON Web Services for Mobile Applications Rufus Credle, Andy Armstrong, Chris Atkinson, Russell Bonner, Geoff Pirie, Inderpal Singh, Nigel Williams, Matthew Wilson, Mark Woolley, IBM Redbooks, 2013-11-27 This IBM® Redbooks® publication provides information about how you can connect mobile devices to IBM Customer Information Control System (CICS®) Transaction Server (CICS TS), using existing enterprise services already hosted on CICS, or to develop new services supporting new lines of business. This book describes the steps to develop, configure, and deploy a mobile application that connects either directly to CICS TS, or to CICS via IBM Worklight® Server. It also describes the advantages that your organization can realize by using Worklight Server with CICS. In addition, this Redbooks publication provides a broad understanding of the new CICS architecture that enables you to make new and existing mainframe applications available as web services using JavaScript Object Notation (JSON), and provides support for the transformation between JSON and application data. While doing so, we provide information about each resource definition, and its role when CICS handles or makes a request. We also describe how to move your CICS applications, and business, into the mobile space, and how to prepare your CICS environment for the following scenarios: Taking an existing CICS application and exposing it as a JSON web service Creating a new CICS application, based on a JSON schema Using CICS as a JSON client This Redbooks publication provides information about the installation and configuration steps for both Worklight Studio and Worklight Server. Worklight Studio is the Eclipse interface that a developer uses to implement a Worklight native or hybrid mobile application, and can be installed into an Eclipse instance. Worklight Server is where components developed for the server side (written in Worklight Studio), such as adapters and custom server-side authentication logic, run. CICS applications and their associated data constitute some of the most valuable assets owned by an enterprise. Therefore, the protection of these assets is an essential part of any CICS mobile project. This Redbooks publication, after a review of the main mobile security challenges, outlines the options for securing CICS JSON web services, and reviews how products, such as Worklight and IBM DataPower®, can help. It then shows examples of security configurations in CICS and Worklight. |
| cics performance guide: ISPF Programmer’s Guide Franz Lanz, 2015-11-13 This book is intended to support ISPF application programmers to become professional in the smart programming of ISPF applications using the REXX language. The contents are presented in a modular manner to suit reading with heterogeneous ISPF programming knowledge. The following topics are covered: Introduction to the programming language REXX as well as to ISPF programming, data processing in ISPF applications, use of messages, panels, skeletons, tables, ISPF variables and an introduction to creating and applying edit macros. Each theme is vividly illustrated by programming examples. The Smart ISPF Utilities contain some very useful programming aids that are often useful when programming ISPF applications. The book serves as a textbook as well as a manual for daily work. Many cross-references are included as well as an extensive index. Moreover, the author gives many helpful hints and tips on smart ISPF programming practices. The Smart ISPF Utilities contain many useful programming aids. |
| cics performance guide: NOTISes , 1991 |
| cics performance guide: Database Administration Craig Mullins, 2002 Giving comprehensive, soup-to-nuts coverage of database administration, this guide is written from a platform-independent viewpoint, emphasizing best practices. |
| cics performance guide: DB2 Developer's Guide Craig S. Mullins, 2012-05-01 DB2 Developer's Guide is the field's #1 go-to source for on-the-job information on programming and administering DB2 on IBM z/OS mainframes. Now, three-time IBM Information Champion Craig S. Mullins has thoroughly updated this classic for DB2 v9 and v10. Mullins fully covers new DB2 innovations including temporal database support; hashing; universal tablespaces; pureXML; performance, security and governance improvements; new data types, and much more. Using current versions of DB2 for z/OS, readers will learn how to: * Build better databases and applications for CICS, IMS, batch, CAF, and RRSAF * Write proficient, code-optimized DB2 SQL * Implement efficient dynamic and static SQL applications * Use binding and rebinding to optimize applications * Efficiently create, administer, and manage DB2 databases and applications * Design, build, and populate efficient DB2 database structures for online, batch, and data warehousing * Improve the performance of DB2 subsystems, databases, utilities, programs, and SQL stat DB2 Developer's Guide, Sixth Edition builds on the unique approach that has made previous editions so valuable. It combines: * Condensed, easy-to-read coverage of all essential topics: information otherwise scattered through dozens of documents * Detailed discussions of crucial details within each topic * Expert, field-tested implementation advice * Sensible examples |
| cics performance guide: CMG '93 Proceedings , 1993 |
| cics performance guide: Computer Performance Evaluation Günter Haring, Gabriele Kotsis, 1994-04-20 Performance evaluation, reliability, and performability are key factors in the development and improvement of computer systems and computer networks. This volume contains the 25 accepted and invited papers presented at the 7th International Conference on Modelling Techniques and Tools for Computer Performance Evaluation. The papers focus on new techniques and the extension of existing techniques for performance and reliability analysis. Tools to support performance and reliability modelling and measurement in all kinds of applications and environments are presented, and the practicability and generality of the approaches are emphasized. The volume summarizes the state of the art and points out future demands and challenges, and will interest both scientists and practitioners. |
| cics performance guide: Compulsive Sexual Behaviours Silva Neves, 2021-05-10 Compulsive Sexual Behaviours offers a unique approach to the struggles people face with their out-of-control sexual behaviours. This comprehensive guide is deeply rooted in the science of sexology and psychotherapy, demonstrating why it is time to re-think the reductive concept of ‘sex addiction’ and move towards a more modern age of evidence-based, pluralistic and sex-positive psychotherapy. It is an important manual for ethical, safe and efficient treatment within a humanistic and relational philosophy. This book will be an important guide in helping clients stop their compulsive sexual behaviours as well as for therapists to self-reflect on their own morals and ethics so that they can be prepared to explore their clients’ erotic mind. |
| cics performance guide: VSE/ESA Bill Merrow, 1993 |
| cics performance guide: MVS Performance Management (ESA/390 Edition) Stephen L. Samson, 1992 The September 1990 announcements for MVS/ESA Version 4 have made major changes and enhancements to MVS and its systems environment. New concepts and products like ESCON channels, HCD, PR/SM, SCF, System View, and others are covered as well as ES/9000--the new hardware based on ESA/390 architecture. |
| cics performance guide: Cics and Vsam Record Level Sharing Ibm Redbooks, 1996 |
| cics performance guide: Cassandra: The Definitive Guide Jeff Carpenter, Eben Hewitt, 2016-06-29 Imagine what you could do if scalability wasn't a problem. With this hands-on guide, you’ll learn how the Cassandra database management system handles hundreds of terabytes of data while remaining highly available across multiple data centers. This expanded second edition—updated for Cassandra 3.0—provides the technical details and practical examples you need to put this database to work in a production environment. Authors Jeff Carpenter and Eben Hewitt demonstrate the advantages of Cassandra’s non-relational design, with special attention to data modeling. If you’re a developer, DBA, or application architect looking to solve a database scaling issue or future-proof your application, this guide helps you harness Cassandra’s speed and flexibility. Understand Cassandra’s distributed and decentralized structure Use the Cassandra Query Language (CQL) and cqlsh—the CQL shell Create a working data model and compare it with an equivalent relational model Develop sample applications using client drivers for languages including Java, Python, and Node.js Explore cluster topology and learn how nodes exchange data Maintain a high level of performance in your cluster Deploy Cassandra on site, in the Cloud, or with Docker Integrate Cassandra with Spark, Hadoop, Elasticsearch, Solr, and Lucene |
| cics performance guide: Using IBM z/OS WLM to Measure Mobile and Other Workloads IBM Client Center Montpellier, Nigel Williams, Olivier Boehler, Philippe Bruschet, Francois Capristo, Alexis Chretienne, Stéphane Faure, Richard Gamblin, Fabrice Jarassat, Arnaud Mante, Irene Stahl, IBM Redbooks, 2016-10-25 This IBM® RedpaperTM publication discusses the need to monitor and measure different workloads, especially mobile workloads. It introduces the workload classification capabilities of IBM z SystemsTM platforms and helps you to understand how recent enhancements to IBM MVSTM Workload Management (WLM) and other IBM software products can be used to measure the processor cost of mobile workloads. This paper looks at how mobile-initiated and other transactions in IBM CICS®, IMSTM, DB2®, and WebSphere® Application Server can be tagged and tracked using WLM. For each of these subsystems, the options for classifying mobile requests and using WLM to measure mobile workloads are reviewed. A scenario is considered in which a bank is witnessing a significant growth in mobile initiated transactions, and wants to monitor and measure the mobile channels more closely. This paper outlines how the bank can use WLM to do this. This publication can help you to configure WLM mobile classification rules. It can also help you to interpret Workload Activity reports from IBM RMFTM Post Processor and to report on the CPU consumption of different workloads, including mobile and public cloud workloads. |
| cics performance guide: DB2 9 for z/OS: Packages Revisited Paolo Bruni, Sean A. Dunn, Howard Hirsch, Norihiko Nakajima, Suresh Sane, IBM Redbooks, 2012-08-03 DB2® packages were introduced with DB2 V2.3 in 1993. During the 15 years that have elapsed, a lot has changed. In particular, there is a more widespread use of distributed computing, JavaTM language, new tools, and upgrades in the platform software and hardware. The best practices back then just might not be optimal today. In this IBM® Redbooks® publication, we take a fresh look at bringing packages into the 21st century. We begin with an overview of packages and explain the advantages of using packages. Because database request module (DBRM) based plans have been deprecated in DB2 9, you need to convert to packages if you did not use packages already. We provide guidance on using a DB2 provided function to convert from DBRM-based plans to packages. We re-examine the application development frameworks for packages: program preparation, package setup, and execution. For distributed applications, we include a discussion of a utility to identify and remove deprecated private protocol and converting to DRDA® as well as an introduction to the new pureQuery function of Data Studio. We also discuss common problems and their resolutions. We then explore administration and operational activities dealing with packages, including security, access path management (where we discuss the newly introduced package stability feature to allow for a seamless fallback), and management and performance aspects. The appendixes include useful queries and mention tools for managing packages effectively. |
| cics performance guide: CMG '92, Reno , 1992 |
| cics performance guide: DB2 10 for z/OS Performance Topics Paolo Bruni, Felipe Bortoletto, Ravikumar Kalyanasundaram, Glenn McGeoch, Roger Miller, Cristian Molaro, Yasuhiro Ohmori, Michael Parbs, IBM Redbooks, 2013-08-23 DB2® 10 for z/OS can reduce the total DB2 CPU demand from 5-20%, compared to DB2 9, when you take advantage of all the enhancements. Many CPU reductions are built in directly to DB2, requiring no application changes. Some enhancements are implemented through normal DB2 activities through rebinding, restructuring database definitions, improving applications, and utility processing. The CPU demand reduction features have the potential to provide significant total cost of ownership savings based on the application mix and transaction types. Improvements in optimization reduce costs by processing SQL automatically with more efficient data access paths. Improvements through a range-list index scan access method, list prefetch for IN-list, more parallelism for select and index insert processing, better work file usage, better record identifier (RID) pool overflow management, improved sequential detection, faster log I/O, access path certainty evaluation for static SQL, and improved distributed data facility (DDF) transaction flow all provide more efficiency without changes to applications. These enhancements can reduce total CPU enterprise costs because of improved efficiency in the DB2 10 for z/OS. DB2 10 includes numerous performance enhancements for Large Objects (LOBs) that save disk space for small LOBs and that provide dramatically better performance for LOB retrieval, inserts, load, and import/export using DB2 utilities. DB210 can also more effectively REORG partitions that contain LOBs. This IBM Redbooks® publication® provides an overview of the performance impact of DB2 10 for z/OS discussing the overall performance and possible impacts when moving from version to version. We include performance measurements that were made in the laboratory and provide some estimates. Keep in mind that your results are likely to vary, as the conditions and work will differ. In this book, we assume that you are somewhat familiar with DB2 10 for z/OS. See DB2 10 for z/OS Technical Overview, SG24-7892-00, for an introduction to the new functions. |
CICS - Wikipedia
IBM CICS (Customer Information Control System) is a family of mixed-language application servers that provide online transaction management and connectivity for applications on IBM …
Introduction to CICS - IBM
CICS® stands for "Customer Information Control System." It is a general-purpose transaction processing subsystem for the z/OS® operating system. CICS provides services for running an …
CICS Tutorial | Mainframestechhelp
CICS stands for " Customer Information Control System ". It is an Online Transaction Processing (OLTP) system and application server that provides online transaction management and …
What is CICS? (Customer Information Control System)? - TechTarget
Nov 22, 2021 · CICS (Customer Information Control System) is middleware that sits between the z/OS IBM mainframe operating system and business applications. As an online transaction …
What you need to know about CICS - IBM
Introduction to CICS - an IBM Redbooks course shows you what it is and what it does. Open a section below to get a brief summary and links to more information. Through its API, CICS …
CICS fundamentals - IBM
CICS provides the tools and runtime environment to develop and run Java™ applications in a Java Virtual Machine (JVM) that is under the control of a CICS region. Node.js is a server-side …
Home | CICS Employment Services
By going beyond face value, we surface critical insights and deliver comprehensive, accurate background checks that empower you to hire great people. Drawing from our collective …
CICS Tutorial
CICS Tutorial - Learn about CICS (Customer Information Control System) with our comprehensive tutorial covering key concepts, programming techniques, and operational tutoriallines.
CICS - Supporting Individuals. Strengthening Communities.
CICS staff are available Monday through Friday, 8:00 a.m. - 12:00 p.m. and 12:30 p.m. - 4:30 p.m. Please call 515-513-6870 to speak to someone or to schedule an appointment.
CICS
Choose from hundreds of programs and workshops that we offer, and register to attend in one easy step! Drop in and say hi! With 8 locations across Toronto and York Region, we are never …
CICS - Wikipedia
IBM CICS (Customer Information Control System) is a family of mixed-language application servers that provide online transaction management and connectivity for applications on IBM …
Introduction to CICS - IBM
CICS® stands for "Customer Information Control System." It is a general-purpose transaction processing subsystem for the z/OS® operating system. CICS provides services for running an …
CICS Tutorial | Mainframestechhelp
CICS stands for " Customer Information Control System ". It is an Online Transaction Processing (OLTP) system and application server that provides online transaction management and …
What is CICS? (Customer Information Control System)? - TechTarget
Nov 22, 2021 · CICS (Customer Information Control System) is middleware that sits between the z/OS IBM mainframe operating system and business applications. As an online transaction …
What you need to know about CICS - IBM
Introduction to CICS - an IBM Redbooks course shows you what it is and what it does. Open a section below to get a brief summary and links to more information. Through its API, CICS …
CICS fundamentals - IBM
CICS provides the tools and runtime environment to develop and run Java™ applications in a Java Virtual Machine (JVM) that is under the control of a CICS region. Node.js is a server-side …
Home | CICS Employment Services
By going beyond face value, we surface critical insights and deliver comprehensive, accurate background checks that empower you to hire great people. Drawing from our collective …
CICS Tutorial
CICS Tutorial - Learn about CICS (Customer Information Control System) with our comprehensive tutorial covering key concepts, programming techniques, and operational tutoriallines.
CICS - Supporting Individuals. Strengthening Communities.
CICS staff are available Monday through Friday, 8:00 a.m. - 12:00 p.m. and 12:30 p.m. - 4:30 p.m. Please call 515-513-6870 to speak to someone or to schedule an appointment.
CICS
Choose from hundreds of programs and workshops that we offer, and register to attend in one easy step! Drop in and say hi! With 8 locations across Toronto and York Region, we are never …
