Preface
Mappings
Mapplets
Mapping Parameters
Where to Assign Parameters
Mapping Outputs
Generate a Mapping from an SQL Query
Dynamic Mappings
How to Develop and Run a Dynamic Mapping
Dynamic Mapping Use Cases
- Use Case: Dynamic Mapping for Metadata Changes in Relational Sources
- Use Case: Reuse Dynamic Mapping for Different Sources and Targets
Mapping Administration
Export to PowerCenter
Import From PowerCenter
Performance Tuning
Pushdown Optimization
Partitioned Mappings
Developer Tool Naming Conventions

Developer Mapping Guide

10.5.4
- 10.5.7
- 10.5.6
- 10.5
- 10.4.0

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Parameters for Compression Formats

You can assign a parameter to the compression format and the compression codec for an HDFS flat file target.

You must assign a parameter to the compression format before you can assign a parameter to the compression codec. If you assign a parameter to the compression format, you must assign a parameter to the compression codec.

The following image shows the advanced properties for an HDFS flat file where you can configure the compression format and the compression codec:

This image shows the Advanced tab for a flat file data object. The connection type is Hadoop File System. The properties for the compression format and compression codec appear at the bottom of the property list.

The following image shows the dialog box that you can use to assign a parameter to the compression format and the compression codec:

This image shows the Assign Parameter dialog box that appears for the compression format and the compression codec. In the top right-corner, you have the option to create a new parameter.

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Developer Mapping Guide

Developer Mapping Guide

Parameters for Compression Formats

Parameters for Compression Formats