What are the ways to create RDDs in Apache Spark? Explain.

328

---

Explain Spark Core?

325

---

Explain the flatMap operation on Apache Spark RDD?

332

---

Can we run Apache Spark without Hadoop?

329

---

What is DStream in Apache Spark Streaming?

329

---

Define Partition and Partitioner in Apache Spark?

318

---

Explain briefly what is Action in Apache Spark? How is final result generated using an action?

326

---

Describe the distnct(),union(),intersection() and substract() transformation in Apache Spark RDD?

315

---

Define Spark-SQL?

297

---

Explain the repartition() operation in Spark?

303

---

Compare Transformation and Action in Apache Spark?

297

---

How does pipe operation writes the result to standard output in Apache Spark?

373

---

What is RDD in Apache Spark? How are they computed in Spark? what are the various ways in which it can create?

338

---

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

352

---

What is SparkSession in Apache Spark? Why is it needed?

398

---