What is the reason for creating a new metastore_db whenever Hive query is run from a different directory?

1002

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Does hadoop always require digital data to process?

1189

---

what is meaning Replication factor?

966

---

What is the purpose of RawComparator interface?

1137

---

Where is the Mapper Output stored?

1382

---

What is the function of ApplicationMaster?

974

---

What problems can be addressed by using Zookeeper?

952

---

Can there be no Reducer?

846

---

What is Hadoop streaming?

1056

---

Is client the end user in HDFS?

984

---

Can the balancer be run while Hadoop is in use?

980

---

Explain the difference between NameNode

947

---

What is the utility of using Writable Comparable Custom Class in Map Reduce code?

999

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What other technologies have you used in hadoop sta ck?

992

---

what is difference between int and intwritable?

1485

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