Can we rename the output file?

683

---

What do sorting and shuffling do?

692

---

Explain about the partitioning, shuffle and sort phase

667

---

What are the four basic parameters of a reducer?

651

---

what is distributed cache in mapreduce framework?

671

---

What is the work of hive/hcatalog?

745

---

What is apache hcatalog?

723

---

What is hive installation path?

739

---

What is hive metastore?

708

---

What is a task tracker?

45

---

Explain the difference between nas and hdfs?

38

---

What is a job tracker?

36

---

What is the difference betwaeen mapreduce engine and hdfs cluster?

39

---

What is the difference between namenode, backup node and checkpoint namenode?

52

---

Is namenode also a commodity?

41

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