It does impact the performance of the job as it would try to map all available columns from starting stage till the end which would use memory. Number of column and number of rows would make a huge amount to be fit into the memory which could slow down the job.
If RCP enable, we can add the columns at runtime and also decrease the performance of DS eviroment
ReplyDeleteIt does impact the performance of the job as it would try to map all available columns from starting stage till the end which would use memory. Number of column and number of rows would make a huge amount to be fit into the memory which could slow down the job.
ReplyDelete