How many reducers are used when loading data into a table?
Last updated on MARCH 03, 2015
Applies to:Oracle Loader for Hadoop - Version 3.2.0 and later
Information in this document applies to any platform.
When data sampling is used to load data into a single partition of a table, the number of reducers performing the load does not always match the number of reducers defined for the load. What factors determine the number of reducers that will be used?
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