how to do pergformence tuning in datastage?
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Answer Posted / veera
HI
1. sorted the data as much as possible in sourc database
2. Remove the unwanted columns from soure DB.
3. Drop the indexes before loading the data and Recreate
after loading the data
4. not use more than 20 stages in a job
5. Reduce the Tx stage
6. Use sort stage before an Aggregator stage (in sort mode)
7. Tuned the Project tunnables in administator for better
performance
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