What is Input Split in hadoop?

1049

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What is 'Key value pair' in HDFS?

1012

---

How to keep HDFS cluster balanced?

1138

---

What is the port number for NameNode

888

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What are the benefits of block transfer?

1038

---

How did you debug your Hadoop code ?

1418

---

What will you do when NameNode is down?

1059

---

What is the best hardware configuration to run Hadoop?

1669

---

Should we use RAID in Hadoop or not?

1112

---

How to change Replication Factor For below cases ?

1157

---

What are the basic available commands in Hadoop sqoop ?

1013

---

On What concept the Hadoop framework works?

1237

---

How to write a Custom Key Class?

975

---

What if rack 2 and datanode fails?

1107

---

How client application interacts with the NameNode?

997

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