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IMS Locking with Program Isolation or the IRLM



Document Author:

Rich Lewis


Document ID:

WP101535


Doc. Organization:

Advanced Technical Support


Document Revised:

08/04/2009


Product(s) covered:

IMS







Abstract: This white paper gives design advice in the area of IMS locking. It is intended for installations developing systems that use IMS. The advice applies to both database design and application program design. This advice is given by first presenting an explanation of why and how IMS uses locking and then by explaining its implications for designs. Information on monitoring locking activity is included.

IMS Locking.pdf



Classification:

Software

Category:

Performance





S/W Pillar(s):

Information Management; System z

O/S:

z/OS

Keywords:

IMS IRLM PI Lock database design performance

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