How is the distance between two nodes defined in Hadoop?

1500

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What is speculative execution in Hadoop?

1097

---

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

1388

---

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

995

---

What are the problems with Hadoop 1.0?

1097

---

what are the nodes in the Hadoop cluster?

1077

---

What Mapper does?

1035

---

What is your favourite tool in the hadoop ecosystem?

1008

---

What is the function of NodeManager?

950

---

explain Metadata in Namenode?

982

---

What is a 'block' in HDFS?

1023

---

What is Derby database?

958

---

How many Daemon processes run on a Hadoop system?

1136

---

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

995

---

How the Client communicates with HDFS?

1095

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