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hbase [2015/08/18 10:03] steve |
hbase [2015/08/18 10:26] steve |
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| ==== hbase backups ==== | ==== hbase backups ==== | ||
| + | |||
| + | ** Exporting a table ** | ||
| + | |||
| + | From the docs: "Export is a utility that will dump the contents of table to HDFS in a sequence file." [[http://hbase.apache.org/book.html#_export|Source]] | ||
| + | |||
| + | <code> | ||
| + | hbase org.apache.hadoop.hbase.mapreduce.Export <tablename> <outputdir> [<versions> [<starttime> [<endtime>]]] | ||
| + | </code> | ||
| + | |||
| + | For example, exporting table ''table_name'': | ||
| + | |||
| + | <code> | ||
| + | hbase org.apache.hadoop.hbase.mapreduce.Export "'table_name'" /tmp/table_name | ||
| + | </code> | ||
| ==== TTL ==== | ==== TTL ==== | ||
