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Performance and Tuning - Physical


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Special

Introduction.

Because CICS transactions can execute so quickly, looking at Task History may be the only way to evaluate the performance of a transaction. Often when looking at CICS Task History, it is apparent the transaction spent the bulk of its time in Db2. Or, from Db2 Thread History, you can see a task originated in a CICS Region. In both cases, it can be difficult to determine the exact instance of the thread in Db2 or the Task in CICS.

With IBM Z OMEGAMON for CICS V5.6.0…

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The OMEGAMON Db2 Enhanced 3270 User Interface main workspace displays statistical values which are totals since the start of Db2. Because a DB2 subsystem runs for a long time the statistics may not be relevant to more recent problems. Situations and highlighting of fields can become almost meaningless because the values are too large.

With this enhancement (APAR PH35707 PTF UI76291) you will be able to display Db2 Statistics for a recent interval for example the last 24 hours. Now…

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New features are being continuously added to the OMEGAMON for Db2 Performance Expert Enhanced 3270 User Interface.  A continued investment in the 3270 UI demonstrates a commitment to synergy and integration with the entire OMEGAMON family of products. This blog describes the latest feature introduced through the version 5.4.0 service stream.

Introduction

Deadlocks and timeouts are a fairly routine occurrence in Db2 as applications vie…

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New features are being added to the Enhanced 3270 User Interface in each release of OMEGAMON XE for Db2 Performance Expert on z/OS.  A continued investment in the 3270 UI provides more synergy and integration with the entire OMEGAMON family of products. One of the most important features introduced for version 5.3.0 is the ability to display Thread History.

Introduction

In OMEGAMON for Db2, there are two types of history. The Snapshot type of history takes a sample of what is…

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Activity Feed

Paul Kenney posted a blog post
Introduction.Because CICS transactions can execute so quickly, looking at Task History may be the only way to evaluate the performance of a transaction. Often when looking at CICS Task History, it is apparent the transaction spent the bulk of its…
Nov 3, 2022
Paul Kenney posted a blog post
The OMEGAMON Db2 Enhanced 3270 User Interface main workspace displays statistical values which are totals since the start of Db2. Because a DB2 subsystem runs for a long time the statistics may not be relevant to more recent problems. Situations and…
Nov 1, 2021