What is the meaning of speculative execution in Hadoop? Why is it important?

1061

---

What is the InputFormat ?

1025

---

Command to format the NameNode?

945

---

Who is a 'user' in HDFS?

896

---

What is the meaning of the term "non-DFS used" in Hadoop web-console?

1310

---

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1020

---

What is DistributedCache and its purpose?

909

---

What is HDFS ? How it is different from traditional file systems?

920

---

How you can contact your client everyday ?

983

---

What is Input Split in hadoop?

989

---

What is 'Key value pair' in HDFS?

968

---

How to keep HDFS cluster balanced?

1101

---

What is the port number for NameNode

848

---

What are the benefits of block transfer?

996

---

How did you debug your Hadoop code ?

1377

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