What if a namenode has no data?

673

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

671

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What is formatting of the dfs?

837

---

In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?

746

---

Does this lead to security issues?

746

---

How to change from su to cloudera?

728

---

Why password is needed in ssh localhost?

813

---

What happens to a namenode, when job tracker is down?

761

---

What does the command mapred.job.tracker do?

791

---

How to come out of the insert mode?

796

---

What is the full form of fsck?

712

---

Why do we need a password-less ssh in fully distributed environment?

718

---

Can you give us some more details about ssh communication between masters and the slaves?

713

---

Can you tell us more about ssh?

735

---

How the processes start, stop and terminate works? How?

300

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