Using CopyTable to copy data from one table to another
CopyTable is a utility to copy the data of one table to another table, either on the same cluster, or on a different HBase cluster. You can copy to a table that is on the same cluster; however, if you have another cluster that you want to treat as a backup, you might want to use CopyTable as a live backup option to copy the data of a table to the backup cluster.
CopyTable is configurable with a start and an end timestamp. If specified, only the data with a timestamp in the specific time frame will be copied. This feature makes it possible for incremental backup of an HBase table in some situations.
Note
"Incremental backup" is a method to only back up the data that has been changed during ...
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