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How does Spark SQL Catalyst optimizer work?

Srikanth_Gupta_
Databricks Employee
Databricks Employee

โ€Ž06-15-2021 05:03 AM

How does Catalyst optimizer improves the performances, what is its role?

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Srikanth_Gupta_
Databricks Employee
Databricks Employee

โ€Ž06-15-2021 05:03 AM

Catalyst optimizer converts unresolved logical plan into executable physical plan, deep dive is available here

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