What is Input Split in hadoop?

923

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What is 'Key value pair' in HDFS?

907

---

How to keep HDFS cluster balanced?

1056

---

What is the port number for NameNode

801

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What are the benefits of block transfer?

956

---

How did you debug your Hadoop code ?

1326

---

What will you do when NameNode is down?

958

---

What is the best hardware configuration to run Hadoop?

1586

---

Should we use RAID in Hadoop or not?

1011

---

How to change Replication Factor For below cases ?

1034

---

What are the basic available commands in Hadoop sqoop ?

921

---

On What concept the Hadoop framework works?

1163

---

How to write a Custom Key Class?

898

---

What if rack 2 and datanode fails?

1021

---

How client application interacts with the NameNode?

917

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