How to write a Custom Key Class?

948

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What if rack 2 and datanode fails?

1071

---

How client application interacts with the NameNode?

973

---

How is the option in Hadoop to skip the bad records?

958

---

How the HDFS Blocks are replicated?

976

---

Explain InputFormat?

1036

---

What is Rack awareness?

1006

---

How will format the HDFS ?

1087

---

what are the steps involved in commissioning adding

921

---

How to use Apache Zookeeper command line interface?

1153

---

Can NameNode and DataNode be a commodity hardware?

1695

---

What are the steps to submit a Hadoop job?

916

---

What is the heartbeat used for?

1057

---

How would you tackle counting words in several text documents?

1031

---

What are the Basics of Hadoop?

941

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