What is cloudera and why it is used?

760

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What is a spill factor with respect to the ram?

817

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Can we have multiple entries in the master files?

652

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On which port does ssh work?

691

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

683

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

668

---

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

644

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How can we look for the namenode in the browser?

676

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What do slaves consist of?

618

---

How can we check whether namenode is working or not?

619

---

What happens to job tracker when namenode is down?

634

---

How can I restart namenode?

666

---

What do masters consist of?

651

---

What if a namenode has no data?

628

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

616

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