Glue Studio Output schema

Hello,

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Firstly, in general you can get the output schema faster if your source schema is present in data catalog. Having said so please note that output schemas are not very accurate if you have nested fields in your schema.

Secondly, the only work around to prevent timeout during “Data Preview” option is to work with a smaller subset of data during development.

Lastly, if the issue persists please consider raising a case with support to look at the specificities of the use-case in question here.

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Have a nice day!