What are the various data sources available in SparkSQL?

333

---

Explain about the core components of a distributed Spark application?

291

---

What are the benefits of using Spark with Apache Mesos?

290

---

What are the common mistakes developers make when running Spark applications?

282

---

When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

324

---

What is the significance of Sliding Window operation?

306

---

Why is BlinkDB used?

301

---

What is the advantage of a Parquet file?

327

---

What are the key features of Apache Spark that you like?

386

---

What do you understand by SchemaRDD?

315

---

How can you achieve high availability in Apache Spark?

430

---

Define a worker node?

453

---

Name a few companies that use Apache Spark in production?

325

---

What is the difference between persist() and cache()?

323

---

Which spark library allows reliable file sharing at memory speed across different cluster frameworks?

271

---