Explain what is a consumer group?

556

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Explain why are replications critical in kafka?

510

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Mention what is data cleansing?

435

---

What is a udf?

448

---

What is a record reader?

405

---

List out the different stream grouping in apache storm?

383

---

List out the some common problems faced by data analyst?

410

---

Why cloudera is used?

476

---

What are the benefits yarn brings in to hadoop?

415

---

Define “speculative execution” in hadoop?

424

---

What are the port numbers of job tracker?

525

---

Explain the key benefits of using storm for real time processing?

431

---

What is the logistic regression?

436

---

Define data cleansing?

401

---

What are the port numbers of namenode?

421

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