Name: B9 Buffer Pool tuning process with a reverse application analysis
Start: 2026-09-29T16:30:00+0100
End: 2026-09-29T17:30:00+0100

B9 Buffer Pool tuning process with a reverse application analysis

Tuesday September 29, 2026 4:30pm - 5:30pm BST

Arrabida

The presentation is based on real life BPool tuning process for one of the Ensono clients. The "reverse application analysis" reveals the opportunities the IFCID(199) usage gives to every Db2 SYSPROG.
The standard Ensono BPool tuning process presented with a multiple charts.It also was enhanced with IFCID(199) implementation, giving amaizing results.
How to use IFCID(199), different characteristics SYNC I/O, ASYNCH I/O, GetPages can be involved into the the analysis uncovering the hidden performance bugs.

Speakers

Pawel Hryb

Senior Mainframe DB2 Systems Programmer, Ensono

Started as a System Programmer for VM/ESA and then z/OS in 1997.With Db2 v4 from 1998.For a couple of years a developer in Cobol, PL/I, REXX (ocasionally is still doing this for admin purposes :-) for a smaller polish software company.In 2005 started my longest carrier span for the... Read More →

Tuesday September 29, 2026 4:30pm - 5:30pm BST
Arrabida

Track B, Technical Session

Topic Best Practices, Modernization in Operations, Performance and Monitoring, User Stories
Audience Intermediate
Platform z/OS

IDUG EMEA 2026

Pawel Hryb

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IDUG EMEA 2026

Pawel Hryb

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