Explain what is a consumer group?

562

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Explain why are replications critical in kafka?

516

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Mention what is data cleansing?

446

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What is a udf?

453

---

What is a record reader?

411

---

List out the different stream grouping in apache storm?

391

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List out the some common problems faced by data analyst?

421

---

Why cloudera is used?

481

---

What are the benefits yarn brings in to hadoop?

430

---

Define “speculative execution” in hadoop?

437

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What are the port numbers of job tracker?

526

---

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

437

---

What is the logistic regression?

442

---

Define data cleansing?

410

---

What are the port numbers of namenode?

429

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