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Category: 000-421

Exam 000-421: InfoSphere DataStage v8.5

Which two actions will help you improve the performance without changing the business logic?

Refer to the exhibit.

You are responsible for improving performance for a given job. From reviewing the job dump
score, you notice that many tsort operators are inserted. Join_1 is on columns “account”,
“po_date” and “hdr_number”. Join_2 is based on “account”, “hdr_number”, “paid_date”.
Which two actions will help you improve the performance without changing the business logic?
(Select two)

What two things must you do to update the meta-data repository with the artifacts tagged as version 1?

Your customer is using Source Code Control Integration for Information server and have tagged
artifacts for version 1. You must create a deployment package from the version 1.

Before you create the package you will have to ensure the project is up to date with version 1.
What two things must you do to update the meta-data repository with the artifacts tagged as
version 1? (Select two)

Which two ways might be used to accomplish this without changing how the job functions?

In the job fragment shown in the exhibit, there are two Sort stages: the first (Sort1) sorts the data
by state, the second (Sort2) sorts the data by state and area, No repartitioning occurs between the
stages.
You have been asked to reduce the number of sorts to improve the performance of the job.
Which two ways might be used to accomplish this without changing how the job functions? (Select
two)


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