Oracle DRDA Gateway Response Time very slow with the initial query for all new DB2/400 connections

(Doc ID 2166978.1)

Last updated on NOVEMBER 23, 2016

Applies to:

Oracle Database Gateway for DRDA - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.

Symptoms

When using Oracle Database Gateway for DRDA (DG4DRDA) version 12.1.0.2, connecting to a DB2 database running on OS/400 7.1, the first query takes much longer to process as compared to the 10G gateway.
Any subsequent query has sub second response time.

Cause

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