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Does DLT use one single SparkSession?

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Alex006
Contributor

โ€Ž09-30-2023 03:05 AM - edited โ€Ž09-30-2023 03:10 AM

Hi! 

Does DLT use one single SparkSession for all notebooks in a Delta Live Tables Pipeline?

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Kaniz
Community Manager
Community Manager

โ€Ž10-06-2023 12:45 AM

Hi @Alex006 , No, a Delta Live Tables (DLT) pipeline does not use a single SparkSession for all notebooks. DLT evaluates and runs all code defined in notebooks but has a different execution model than a notebook 'Run all' command. You cannot rely on the cell-by-cell execution ordering of notebooks when writing Python for DLT.

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Kaniz
Community Manager
Community Manager

โ€Ž10-06-2023 12:45 AM

Hi @Alex006 , No, a Delta Live Tables (DLT) pipeline does not use a single SparkSession for all notebooks. DLT evaluates and runs all code defined in notebooks but has a different execution model than a notebook 'Run all' command. You cannot rely on the cell-by-cell execution ordering of notebooks when writing Python for DLT.

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