I would be interested in the answer to this question, plus the relationship
between those and registerTempTable()
Pedro
On Tue, Jul 21, 2015 at 1:59 PM, Brandon White bwwintheho...@gmail.com
wrote:
A few questions about caching a table in Spark SQL.
1) Is there any difference between caching
A few questions about caching a table in Spark SQL.
1) Is there any difference between caching the dataframe and the table?
df.cache() vs sqlContext.cacheTable(tableName)
2) Do you need to warm up the cache before seeing the performance
benefits? Is the cache LRU? Do you need to run some