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__________ mode is a Namenode state in which it does not accept changes to the name space.

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+1 vote
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in Hadoop by (122k points)
__________ mode is a Namenode state in which it does not accept changes to the name space.

(a) Recover

(b) Safe

(c) Rollback

(d) None of the mentioned

I have been asked this question during an interview.

My query is from HDFS Administration topic in portion Administering Hadoop of Hadoop

1 Answer

+2 votes
by (888k points)
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Best answer
Correct answer is (c) Rollback

For explanation: dfsadmin runs a HDFS dfsadmin client.

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