Introduction
The following article describes how to use Teradata DBQL tables to analyze the performance of Teradata to Hadoop (T2H) queries that transfer data from Hadoop to Teradata. This articles focuses on the steps that are part of the interaction between Teradata and Hadoop, it should be clear that query can have multiple other pre and post processing Teradata steps.
T2H has two processing methods
Ignore ancestor settings:
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Channel:
Apply supersede status to children:
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