Can some one help me here? Please
On Sat, Jun 20, 2015 at 9:54 AM Sathish Kumaran Vairavelu <
vsathishkuma...@gmail.com> wrote:
> Hi,
>
> In Spark SQL JDBC data source there is an option to specify upper/lower
> bound and num of partitions. How Spark handles data distribution, if we do
> not give
Hi,
In Spark SQL JDBC data source there is an option to specify upper/lower
bound and num of partitions. How Spark handles data distribution, if we do
not give the upper/lower/num of parititons ? Will all data from the
external data source skewed up in one executor?
In many situations, we do not