How can data transfer be minimized when working with Apache Spark?

293

---

What do you mean by Speculative execution in Apache Spark?

291

---

Explain about the different cluster managers in Apache Spark

327

---

Explain Spark Executor

282

---

Explain the level of parallelism in Spark Streaming? Also, describe its need.

325

---

What are the various storages from which Spark can read data?

340

---

What is a Sparse Vector?

328

---

What is the difference between Caching and Persistence in Apache Spark?

317

---

What are the roles of the file system in any framework?

309

---

Name some companies that are already using Spark Streaming?

262

---

What is Spark Streaming?

295

---

What does it mean by Columnar Storage Format?

297

---

What is Spark Dataset?

327

---

Why is there a need for broadcast variables when working with Apache Spark?

306

---

What is the abstraction of Spark Streaming?

261

---