Thursday, 16 June 2016

5 Tips For Better DataStage Design #14

1. The use of Lookup stage depends upon the volume of data.Sparse lookup type should be used when primary input data volume is small.If the reference data volume is more, Lookup Stage should be avoided.

2. Use of ORDER BY clause in the database is good as compared to use of sort stage.

3. In Dtatastage Administrator, Tuned the 'Project Tunable' for better performance.

4. For Funnel, the use of this stage reduces the performance of a job. Funnel Stage should be run in continuous mode.

5. If the hash file is used only for lookup then "enable Preload to memory". This will improve the performance.

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