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In ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.

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In ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.

(a) full

(b) partial

(c) recovery

(d) commit

I had been asked this question in examination.

Question is from HDFS Administration topic in chapter Administering Hadoop of Hadoop

1 Answer

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Best answer
The correct answer is (c) recovery

Easy explanation: Recovery mode can cause you to lose data, you should always backup your edit log and fsimage before using it.

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