Can you explain commodity hardware?

457

---

How can native libraries be included in yarn jobs?

522

---

How to do ‘map’ and ‘reduce’ works?

610

---

Can you explain bloommapfile.

508

---

Why is checkpointing important in hadoop?

507

---

What happens when two clients try to access the same file in the hdfs?

505

---

What do you know about the speculative execution?

499

---

What are the differences between hadoop 1 and hadoop 2?

473

---

Why do the nodes are removed and added frequently in a hadoop cluster?

508

---

What is a namenode?

436

---

Can hadoop handle streaming data?

494

---

What is hadoop? Name the main components of a hadoop application?

479

---

What do you know about yarn?

458

---

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

491

---

What is the purpose of exploding in hive?

718

---