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

1297

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

903

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What are the problems with Hadoop 1.0?

988

---

what are the nodes in the Hadoop cluster?

997

---

What Mapper does?

936

---

What is your favourite tool in the hadoop ecosystem?

918

---

What is the function of NodeManager?

863

---

what is pig?

793

---

What are the steps involved in MapReduce framework?

929

---

explain Metadata in Namenode?

858

---

What is a 'block' in HDFS?

925

---

What is Derby database?

857

---

How many Daemon processes run on a Hadoop system?

1056

---

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

896

---

How the Client communicates with HDFS?

1009

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