How to write a Custom Key Class?

947

---

What if rack 2 and datanode fails?

1069

---

How client application interacts with the NameNode?

968

---

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

956

---

How the HDFS Blocks are replicated?

976

---

Explain InputFormat?

1026

---

What is Rack awareness?

1004

---

How will format the HDFS ?

1079

---

what are the steps involved in commissioning adding

917

---

How to use Apache Zookeeper command line interface?

1148

---

Can NameNode and DataNode be a commodity hardware?

1693

---

What are the steps to submit a Hadoop job?

914

---

What is the heartbeat used for?

1054

---

How would you tackle counting words in several text documents?

1030

---

What are the Basics of Hadoop?

939

---