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

1300

---

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

909

---

What are the problems with Hadoop 1.0?

992

---

what are the nodes in the Hadoop cluster?

1001

---

What Mapper does?

941

---

What is your favourite tool in the hadoop ecosystem?

921

---

What is the function of NodeManager?

868

---

what is pig?

795

---

What are the steps involved in MapReduce framework?

934

---

explain Metadata in Namenode?

863

---

What is a 'block' in HDFS?

931

---

What is Derby database?

861

---

How many Daemon processes run on a Hadoop system?

1060

---

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

903

---

How the Client communicates with HDFS?

1012

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