@nikkie_thomas You can set below if you are using Tez   set hive.merge.mapfiles=true; set hive.merge.mapredfiles=true; set hive.merge.smallfiles.avgsize=<some value>; set hive.merge.size.per.task=<some value>; set hive.merge.tezfiles=true; ... View more

@Nikkie Thomas You may want to read this and follow the links provided there: https://spark.rstudio.com/guides/connections/#kerberos ... View more

Were you able to complete the rest of the steps? ... View more