configure number of cached partition in memory on SparkSQL

[Judy Nash]

Hi,

I am tuning a hive dataset on Spark SQL deployed via thrift server.

How can I change the number of partitions after caching the table on thrift 
server?

I have tried the following but still getting the same number of partitions 
after caching:
Spark.default.parallelism
spark.sql.inMemoryColumnarStorage.batchSize


Thanks,
Judy