IBM InfoSphere Advanced DataStage – Parallel Framework v11.5

1: Introduction to the parallel framework architecture

• Describe the parallel processing architecture

• Describe pipeline and partition parallelism

• Describe the role of the configuration file

• Design a job that creates robust test data2: Compiling and executing jobs

• Describe the main parts of the configuration file

• Describe the compile process and the OSH that the compilation process generates

• Describe the role and the main parts of the Score

• Describe the job execution process3: Partitioning and collecting data

• Understand how partitioning works in the Framework

• Viewing partitioners in the Score

• Selecting partitioning algorithms

• Generate sequences of numbers (surrogate keys) in a partitioned, parallel environment4: Sorting data

• Sort data in the parallel framework

• Find inserted sorts in the Score

• Reduce the number of inserted sorts

• Optimize Fork–Join jobs

• Use Sort stages to determine the last row in a group

• Describe sort key and partitioner key logic in the parallel framework5: Buffering in parallel jobs

• Describe how buffering works in parallel jobs

• Tune buffers in parallel jobs

• Avoid buffer contentions6: Parallel framework data types

• Describe virtual data sets

• Describe schemas

• Describe data type mappings and conversions

• Describe how external data is processed

• Handle nulls

• Work with complex data7: Reusable components

• Create a schema file

• Read a sequential file using a schema

• Describe Runtime Column Propagation (RCP)

• Enable and disable RCP

• Create and use shared containers8: Balanced Optimization

• Enable Balanced Optimization functionality in Designer

• Describe the Balanced Optimization workflow

• List the different Balanced Optimization options.

• Push stage processing to a data source

• Push stage processing to a data target

• Optimize a job accessing Hadoop HDFS file system

• Understand the limitations of Balanced Optimizations