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1.WHAT IS CHECKPOINTS IN HADOOP 2.WHERE IT WILL STORE 3.IS EDITLOG AND CHECKPOINT IS SAME ?

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New Contributor
 
1 ACCEPTED SOLUTION

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Guru

Checkpointing is the process of merging editlogs with base fsimage. This will be stored in namenode metadata directories. Its not the same as editlog, since editlog has the changes that you make to HDFS.

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Guru

Checkpointing is the process of merging editlogs with base fsimage. This will be stored in namenode metadata directories. Its not the same as editlog, since editlog has the changes that you make to HDFS.

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New Contributor

Thanks Ravi