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Could someone can explain what puffin file use case is? #21903

Answered by findepi
JunseoChoJJ asked this question in Q&A
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Puffin files are stored in s3, along with Iceberg table metadata.
NDV is important input for Trino CBO algorithms.
See https://trino.io/blog/2019/07/04/cbo-introduction.html

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