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OMEGAMON, later IBM Tivoli OMEGAMON XE, is a software family of performance monitors for IBM zEnterprise computer environments. These products were originally written, marketed, sold and maintained by Candle Corporation, [1] which was acquired by IBM in 2004.
A mainframe computer, informally called a mainframe or big iron, [1] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.
VME (Virtual Machine Environment) is a mainframe operating system developed by the UK company International Computers Limited (ICL, now part of the Fujitsu group). Originally developed in the 1970s (as VME/B, later VME 2900) to drive ICL's then new 2900 Series mainframes, the operating system is now known as OpenVME incorporating a Unix subsystem, and runs on ICL Series 39 and Trimetra [1 ...
Resource Measurement Facility (RMF) is a performance monitor for the z/OS operating system. It also collects data for long-term performance analysis and capacity planning. The product consists of the following components: Monitor I Data Gatherer which collects data in adjustable intervals from one minute to one hour.
IDMS intersperses special space-allocation pages throughout the database. These pages are used to keep track of the free space available in each page in the database. To reduce I/O requirements, the free space is only tracked for all pages when the free space for the area falls below 30%.
Over a couple of years, Bull took over the company. NEC supplied several generations of mainframe hardware at the high end, which would run both GCOS 8 and their own ACOS-4 Operating System. Bull used the nomenclature DPS-9000 for its entire GCOS 8-based mainframe line, which included models designed by both Bull and NEC.
Zowe is the first open source project for z/OS.It was announced in August 2018 at SHARE in St. Louis together with the open beta release of version 0.9 that contained contributions from[IBM, Computer Associates, and Rocket Software. [8]
A mainframe computer is not easy to define. Most people associate a mainframe with a large computer, but mainframes are getting smaller all the time. The terms mainframe and enterprise server are converging. Supercomputers are generally used for their speed and complexity, while mainframes are used for storing large volumes of sensitive data ...