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Journaling - How many journals should I configure?

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Published on 06 June 2006

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IBM Form #: TIPS0606


Authors: Hernando Bedoya

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    Abstract

    A frequently posed i5/OS™ question goes something like this, “I have 100 tables (files), should I try to route all the journal traffic into one master journal or would I be better off with perhaps 10 journals?" What are the pros and cons associated with each approach?”

    The answer depends on what you’re trying to optimize: run-time performance, IPL recovery duration, target-side replay parallelism, or remote journal transport efficiency.

    This Technote helps you think through the trade-offs.

    Written by Larry Youngren

    Software Engineer

    IBM Systems &Technology Group, Development

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