How is the distance between two nodes defined in Hadoop?

1453

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What is speculative execution in Hadoop?

1049

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

1334

---

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

949

---

What are the problems with Hadoop 1.0?

1035

---

what are the nodes in the Hadoop cluster?

1043

---

What Mapper does?

982

---

What is your favourite tool in the hadoop ecosystem?

954

---

What is the function of NodeManager?

903

---

explain Metadata in Namenode?

909

---

What is a 'block' in HDFS?

969

---

What is Derby database?

898

---

How many Daemon processes run on a Hadoop system?

1099

---

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

942

---

How the Client communicates with HDFS?

1057

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