For your first question, the partitioning strategy can be tuned by applying
different partitioner. You can use existing ones such as HashPartitioner or
write your own.See this link(
http://ampcamp.berkeley.edu/wp-content/uploads/2012/06/matei-zaharia-amp-camp-2012-advanced-spark.pdf)
for some instructions.



On Fri, Jul 11, 2014 at 1:35 PM, Gonzalo Zarza <[email protected]>
wrote:

> Hi all,
>
> We've been evaluating Spark for a long-term project. Although we've been
> reading several topics in forum, any hints on the following topics we'll be
> extremely welcomed:
>
> 1. Which are the data partition strategies available in Spark? How
> configurable are these strategies?
>
> 2. How would be the best way to use Spark if queries can touch only 3-5
> entries/records? Which strategy is the best if they want to perform a full
> scan of the entries?
>
> 3. Is Spark capable of interacting with RDBMS?
>
> Thanks a lot!
>
> Best regards,
>
> --
> *Gonzalo Zarza* | PhD in High-Performance Computing | Big-Data Specialist
> |
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