What happens when a datanode fails ?

488

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In Hadoop, which file controls reporting in Hadoop?

483

---

how can you debug Hadoop code?

509

---

For a job in Hadoop, is it possible to change the number of mappers to be created?

486

---

What are the primary phases of a Reducer?

526

---

how indexing in HDFS is done?

492

---

What is the role of a MapReduce partitioner?

501

---

Is it important for Hadoop MapReduce jobs to be written in Java?

478

---

what job does the conf class do?

484

---

In cloud architecture what are the different components that are required?

459

---

What is on-demand functionality? How is it provided in cloud computing?

487

---

What do you mean by software as a service?

440

---

What is the difference between symmetric and asymmetric connection between a service provider and a user?

439

---

What is the function of a Amazon controller?

425

---

In cloud what are the optimizing strategies?

493

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