15.10 - Job Example 17: Extract Rows and Write Them to a Hadoop File - Parallel Transporter

Teradata Parallel Transporter User Guide

prodname
Parallel Transporter
vrm_release
15.10
category
User Guide
featnum
B035-2445-035K

Job Example 17: Extract Rows and Write Them to a Hadoop File

Job Objective

This Teradata Parallel Transporter sample script loads five rows from a teradata table to flat file in Hadoop.

Data Flow Diagram

Figure 42 shows a diagram of the elements for Job Example 17.

Figure 42: Job Example PTS00031-- Extract Rows and Write Them to a Hadoop File

Sample Script

For the sample script that corresponds to this job, see the following script in the sample/userguide directory:

PTS00031: Extract Rows and Write Them to a Hadoop File

Rationale

This job uses the operators shown for the following reasons:

  • Export operator because it is the fastest way to extract large amounts of data from a Teradata Database table.
  • DataConnector operator along with the HDFS Interface because it is the only producer operator that writes data to Hadoop HDFS.