How is the distance between two nodes defined in Hadoop?

1421

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What is speculative execution in Hadoop?

1019

---

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

1298

---

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

905

---

What are the problems with Hadoop 1.0?

990

---

what are the nodes in the Hadoop cluster?

998

---

What Mapper does?

937

---

What is your favourite tool in the hadoop ecosystem?

918

---

What is the function of NodeManager?

866

---

explain Metadata in Namenode?

859

---

What is a 'block' in HDFS?

927

---

What is Derby database?

858

---

How many Daemon processes run on a Hadoop system?

1058

---

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

899

---

How the Client communicates with HDFS?

1009

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