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Huge table sizes might lead to different query results

Technote (troubleshooting)


Problem(Abstract)

In rare situations, with huge table sizes, query results returned by DB2 for z/OS might be different from those returned by the accelerator.

Symptom

In rare situations, with huge table sizes, query results returned by DB2 for z/OS might be different from those returned by the accelerator.


Cause

An error in the accelerator server software.

Environment

You are affected by this problem only if you use version 5.1.0 of IBM DB2 Analytics Accelerator for z/OS.
The problem affects the following PTF levels of version 5.1.0:

  • V5.1.0 GA
  • V5.1.0 PTF-1

Resolving the problem

Recommendation:

  • If you are still on V5.1 GA or on the affected DB2 Analytics Accelerator for z/OS V5.1.0 maintenance level PTF-1 (UI35012), then upgrade to
    IBM DB2 Analytics Accelerator for z/OS V5.1.0 maintenance level PTF-4

Document information

More support for: DB2 Analytics Accelerator for z/OS

Software version: 5.1.0

Operating system(s): z/OS

Reference #: 1992295

Modified date: 13 March 2017


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