How does the MIDAW Facility Improve the Performance of FICON Channels Using DB2 and other workloads?

An IBM Redpaper publication

Note: This is publication is now archived. For reference only.

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Published on August 31, 2006

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IBM Form #: REDP-4201-00


Authors: Paolo Bruni and Jeffrey Berger

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    Abstract

    The MIDAW facility was introduced in the IBM z9 processor to improve FICON performance, especially when accessing IBM DB2 databases. This facility is a new method of gathering data into and scattering data from discontinuous storage locations during an I/O operation. This IBM Redpaper is intended for industry professionals who are interested in understanding IBM z/Architecture, and for people who want to understand the types of workloads that will experience improved performance.

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