What is Input Split in hadoop?

622

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What is 'Key value pair' in HDFS?

623

---

How to keep HDFS cluster balanced?

799

---

What is the port number for NameNode

578

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What are the benefits of block transfer?

642

---

How did you debug your Hadoop code ?

996

---

What will you do when NameNode is down?

667

---

What is the best hardware configuration to run Hadoop?

1327

---

Should we use RAID in Hadoop or not?

699

---

How to change Replication Factor For below cases ?

675

---

What are the basic available commands in Hadoop sqoop ?

662

---

On What concept the Hadoop framework works?

880

---

How to write a Custom Key Class?

633

---

What if rack 2 and datanode fails?

788

---

How client application interacts with the NameNode?

664

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