What is Input Split in hadoop?

981

---

What is 'Key value pair' in HDFS?

962

---

How to keep HDFS cluster balanced?

1097

---

What is the port number for NameNode

840

---

What are the benefits of block transfer?

994

---

How did you debug your Hadoop code ?

1371

---

What will you do when NameNode is down?

1008

---

What is the best hardware configuration to run Hadoop?

1628

---

Should we use RAID in Hadoop or not?

1058

---

How to change Replication Factor For below cases ?

1088

---

What are the basic available commands in Hadoop sqoop ?

964

---

On What concept the Hadoop framework works?

1200

---

How to write a Custom Key Class?

940

---

What if rack 2 and datanode fails?

1060

---

How client application interacts with the NameNode?

957

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