Friday, January 20, 2023

Db2 for z/OS: What is "Wait for Other Read" Time, and What Can You Do About It?

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A recent conversation I had with some folks who support a large Db2 for z/OS system reminded me of the importance of something called "...
Wednesday, December 21, 2022

Db2 13 for z/OS: Setting Lock Timeout Limit and Deadlock Priority at the Application Level

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Db2 13 for z/OS, which became generally available about seven months ago, introduced two interesting features that are similar in some ways ...
6 comments:
Friday, November 11, 2022

A Case Study: Using Db2 for z/OS Monitor Reports to Zero In on a Performance Problem

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I had an interesting exchange recently with a Db2 for z/OS systems programmer. This individual had been asked to assist in determining the c...
15 comments:
Friday, October 28, 2022

Getting Ready to Migrate to Db2 13 for z/OS from Db2 12

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It could be said that preparation for migration of a Db2 12 for z/OS system to Db2 13 comes down to one thing: activate Db2 12 function leve...
Wednesday, September 28, 2022

Db2 for z/OS: GETPAGEs, Predicates, SELECTs and DELETEs

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About 15 years ago, I posted to the blog I maintained while working as an independent consultant (prior to rejoining IBM in 2010) an entry  ...
9 comments:
Tuesday, August 23, 2022

What Db2 for z/OS People Should Know About Data Fabric

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"Data fabric" is an increasingly hot topic in IT circles, and with good reason - an effectively implemented data fabric can delive...
Tuesday, July 26, 2022

What Should a Modern Db2 for z/OS Client-Server Application Environment Look Like?

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The distributed data facility (aka DDF) is the component of Db2 for z/OS that enables data access by applications that connect to Db2 via TC...