What is cloudera and why it is used?

798

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What is a spill factor with respect to the ram?

870

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Can we have multiple entries in the master files?

695

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On which port does ssh work?

743

---

Do we need to give a password, even if the key is added in ssh?

727

---

What are the port numbers of namenode, job tracker and task tracker?

712

---

Is fs.mapr.working.dir a single directory?

684

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How can we look for the namenode in the browser?

717

---

What do slaves consist of?

670

---

How can we check whether namenode is working or not?

659

---

What happens to job tracker when namenode is down?

679

---

How can I restart namenode?

722

---

What do masters consist of?

694

---

What if a namenode has no data?

668

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Which are the three main hdfs-site.xml properties?

665

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