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

1348

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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?

1053

---

what are the nodes in the Hadoop cluster?

1047

---

What Mapper does?

992

---

What is your favourite tool in the hadoop ecosystem?

963

---

What is the function of NodeManager?

909

---

what is pig?

841

---

What are the steps involved in MapReduce framework?

987

---

explain Metadata in Namenode?

924

---

What is a 'block' in HDFS?

977

---

What is Derby database?

909

---

How many Daemon processes run on a Hadoop system?

1104

---

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

946

---

How the Client communicates with HDFS?

1069

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