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RDBPROD: Intermittent thread hangs, memory corruption and other symptoms when using the Oracle ODBC Driver for RDB and Microsoft IIS on Hyperthreading systems (Doc ID 803275.1)

Last updated on SEPTEMBER 15, 2020

Applies to:

Oracle ODBC Driver for Rdb - Version 3.0 to 3.3.1
Information in this document applies to any platform.

Oracle ODBC Driver for RDB to, all versions
Microsoft Internet Information Services (IIS) 6.0 or higher
Hyperthreading or multiprocessor processor hardware


When using Microsoft IIS on a hyper thread capable machine with the Oracle ODBC Driver for Rdb, you may experience intermittent thread hangs under heavy load. In addition, you may see errors in your application log similar to the following:




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