What is in memory in spark?
Why is apache spark so fast?
What is spark database?
What languages support spark?
When to use coalesce and repartition in spark?
Can spark work without hadoop?
Can a spark cause a fire?
What is scala and spark?
Why is spark popular?
What causes sparks?
Do streamers make money from sparks?
Why scala is used in spark?
Does spark use zookeeper?
Which is better hadoop or spark?
Is spark a language?