How to restart Namenode?

756

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Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?

764

---

Mention what are the data components used by Hadoop?

663

---

What does /etc /init.d do?

709

---

What is a Combiner?

750

---

Main Components of Hadoop?

778

---

What are the four characteristics of Big Data?

717

---

Mention what is the number of default partitioner in Hadoop?

697

---

Explain what happens in textinformat ?

753

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Explain the rudimentary difference between Cassandra and HBase?

85

---

Is HDFS utilized in Cassandra? If yes, where?

81

---

Elaborate on Identifiers?

124

---

What are keywords?

78

---

Explain the fundamental difference between Cassandra and Hadoop?

224

---

There seem to be certain management tools in Cassandra. What are they?

122

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