Hi, I would like to get the recommendations to use Spark-Cassandra connector DataFrame feature. I was trying to save a Dataframe containing 8 Million rows to Cassandra through the Spark-Cassandra connector. Based on the Spark log, this single action took about 60 minutes to complete. I think it was a very slow process. Are there some configurations I need to check when using this Spark-Cassandra connector DataFrame feature? >From the Spark log, I can see saving the Dataframe to Cassandra was performed >by 200 small steps. Cassandra database was connected and disconnected 4 times >during the 60 minutes. This number matches the number of nodes the Cassandra >cluster has. I understand this feature is Dataframe Experimental, and I am new to both Spark and Cassandra. Any suggestions are much appreciated. Thanks, Simon Wang
