TDP or Client System Crashes - Teradata Tools and Utilities

Teradata® Call-Level Interface Version 2 Reference for Mainframe-Attached Systems

Product
Teradata Tools and Utilities
Release Number
17.10
Published
June 2021
Language
English (United States)
Last Update
2021-07-01
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B035-2417
Product Category
Teradata Tools and Utilities

The database is unaware of a TDP crash. In-progress requests continue, and responses are still available. When the TDP is restarted, it sends a cold client start, which causes the database to log off all sessions and roll back any uncommitted work. If the Two-phase commit protocol is being used and there is a TDP crash, any in-doubt sessions will remain active and must be resolved by the coordinator.