I am not sure why all 3 nodes should query. If you have not mentioned any
partitions it should only be one partition of JDBCRDD where all dataset
should reside.
On Fri, Feb 12, 2016 at 10:15 AM, Madabhattula Rajesh Kumar <
mrajaf...@gmail.com> wrote:
> Hi,
>
> I have a spark cluster with One
Hi,
I have a spark cluster with One Master and 3 worker nodes. I have written a
below code to fetch the records from oracle using sparkSQL
val sqlContext = new org.apache.spark.sql.SQLContext(sc)
val employees = sqlContext.read.format("jdbc").options(
Map("url" ->
