HDFS provides a mechanism called the Secondary NameNode to periodically bac

What alternate way does HDFS provides to recover data in case a Namenode

Question Posted / Praval Pratap Singh

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Answer Posted / Praval Pratap Singh

HDFS provides a mechanism called the Secondary NameNode to periodically backup the NameNode's filesystem image and edit log. In the event of a NameNode failure, a new NameNode can be started with this backup. This backup is not used actively and serves only for recovery purposes.

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