How is the distance between two nodes defined in Hadoop?

1456

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What is speculative execution in Hadoop?

1052

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How we can change Replication factor when Data is on the fly?

1346

---

What alternate way does HDFS provides to recover data in case a Namenode

955

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What are the problems with Hadoop 1.0?

1052

---

what are the nodes in the Hadoop cluster?

1045

---

What Mapper does?

991

---

What is your favourite tool in the hadoop ecosystem?

961

---

What is the function of NodeManager?

908

---

explain Metadata in Namenode?

924

---

What is a 'block' in HDFS?

976

---

What is Derby database?

908

---

How many Daemon processes run on a Hadoop system?

1102

---

What are the limitations of importing RDBMS tables into Hcatalog directly?

946

---

How the Client communicates with HDFS?

1067

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