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This article mainly explains "how to export backup data from hbase". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to export backup data from hbase.

Export from hbase table (# Export directory must not exist on hdfs beforehand. If file:// is not written by default, it will be exported to hdfs)

HBase data export to local file hbase org.apache.hadoop.hbase.mapreduce.Export emp file:///Users/a6/Applications/experiment_data/hbase_data/bakHBase data export to HDFShbase org.apache.hadoop.hbase.mapreduce.Export emp / hbase/emp_bak

Import from hbase tables (# tables must be created before importing data into tables using import)

# before using import to import data into a table, the table must first create HBase data and export to local file hbase org.apache.hadoop.hbase.mapreduce.Import tablename file:///Users/Applications/hbase_data/bakHBase data to HDFShbase org.apache.hadoop.hbase.mapreduce.Import tablename / hbase/emp_bak. I believe you have a deeper understanding of "how hbase exports backup data". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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