Explain what is a consumer group?

596

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Explain why are replications critical in kafka?

552

---

Mention what is data cleansing?

496

---

What is a udf?

512

---

What is a record reader?

458

---

List out the different stream grouping in apache storm?

436

---

List out the some common problems faced by data analyst?

473

---

Why cloudera is used?

527

---

What are the benefits yarn brings in to hadoop?

475

---

Define “speculative execution” in hadoop?

482

---

What are the port numbers of job tracker?

566

---

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

472

---

What is the logistic regression?

488

---

Define data cleansing?

451

---

What are the port numbers of namenode?

480

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