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Parallel Hint with 15+ processes does have any impact for other requests?

edited Mar 17, 2020 2:04PM in SQL Performance (MOSC) 8 commentsAnswered

One of the Payment batch query is taking more than 3 hrs time in Production. We have added a Parallel hint with 15 processes in DEV environment and noticed that the performace is much better and query completed within 30 mins time.

Question is does adding Parallel hint with 15 processes will have any impact on the rest of the concurrent programs running simultaneously in PROD environment?

Thanks

Hari

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