Describe coalesce() operation. When can you coalesce to a larger number of partitions? Explain.
Name the languages which are supported by apache spark and which one is most popular?
Is spark a special attack?
Is there an api for implementing graphs in spark?
Can copper cause a spark?
What is apache spark sql?
Why do fires spark?
How do you parse data in xml? Which kind of class do you use with java to parse data?
What are the benefits of using Spark with Apache Mesos?
On which all platform can Apache Spark run?
Can I install spark on windows?
What does dag stand for?
Explain sum(), max(), min() operation in Apache Spark?
What languages support spark?
What is the difference between hadoop and spark?