How can you minimize data transfers when working with Spark?

349

---

Explain about the common workflow of a Spark program?

339

---

What do you understand by receivers in Spark Streaming ?

329

---

By Default, how many partitions are created in RDD in Apache Spark?

308

---

What are broadcast variables in Apache Spark? Why do we need them?

314

---

Is it necessary to start Hadoop to run any Apache Spark Application ?

283

---

What is write ahead log(journaling)?

310

---

Does Apache Spark provide checkpoints?

286

---

What is Apache Spark Machine learning library?

320

---

What is the use of map transformation?

316

---

Explain the run-time architecture of Spark?

296

---

List the advantage of Parquet files?

301

---

Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

308

---

Please provide an explanation on DStream in Spark.

286

---

List the languages supported by Apache Spark?

313

---