Re: Shuffle with Window().partitionBy()

Thanks great Rauf. Regards On Tuesday, 23 May 2023 at 13:18:55 BST, Rauf Khan wrote: Hi , PartitionBy() is analogous to group by, all rows  that will have the same value in the specified column will form one window.The data will be shuffled to form group. RegardsRaouf On Fri, May 12,

Re: Shuffle with Window().partitionBy()

Hi , PartitionBy() is analogous to group by, all rows that will have the same value in the specified column will form one window. The data will be shuffled to form group. Regards Raouf On Fri, May 12, 2023, 18:48 ashok34...@yahoo.com.INVALID wrote: > Hello, > > In Spark windowing does call wi

Shuffle with Window().partitionBy()

Hello, In Spark windowing does call with  Window().partitionBy() can cause shuffle to take place? If so what is the performance impact if any if the data result set is large. Thanks