Data Warehouse Modernization

Cognos Data Manager Conversion to Talend Big Data for Multinational Insurer


An American multinational finance and insurance corporation required a solution for conversion of its IBM Cognos Data Manager ETL system to Talend 6.4

Client Challenges and Requirements

  • Detailed assessment of identified 50 Cognos ETL
  • Convert up to 50 Cognos ETL in current environment to Talend 6.4
  • Deliver Fully Unit Tested code for the converted Talend ETLs

Bitwise Solution

Environment setup as well as installation and configuration of required s/w for new client

High level Analysis & Design Document

Conversion of 50 ETLS covering dimension & fact loads and lookup builds of different complexities

Unit test results documentation in the form of comparison output reports using comparison jobs that were built for data validation in Talend

Scheduling on production box using scheduler (TAC)

Documentation from a change management perspective

Tools & Technologies We Used

Bitwise ETL Converter
Cognos Data Manager
Talend 6.4
TAC or Autosys

Key Results

Created custom Java code to generate schema for Talend components by reading Database Tables

Optimized performance by pulling only required fields or contexts into Talend

Created joblets for context parsing and logging

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