Dataframe Partitioning

[Masf]

Hi.

I have 2 dataframe with 1 and 12 partitions respectively. When I do a inner
join between these dataframes, the result contains 200 partitions. *Why?*

df1.join(df2, df1("id") === df2("id"), "Inner") => returns 200 partitions


Thanks!!!
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Regards.
Miguel Ángel