Can we rename the output file?

647

---

What do sorting and shuffling do?

653

---

Explain about the partitioning, shuffle and sort phase

641

---

What are the four basic parameters of a reducer?

624

---

what is distributed cache in mapreduce framework?

629

---

What is the work of hive/hcatalog?

711

---

What is apache hcatalog?

681

---

What is hive installation path?

709

---

What is hive metastore?

677

---

What is a task tracker?

41

---

Explain the difference between nas and hdfs?

35

---

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?

48

---

Is namenode also a commodity?

41

---