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--- hbase [2015/08/18 10:03]
steve
+++ hbase [2015/08/19 14:50]
steve
@@ Line 61: / Line 61: @@
 ==== 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>
+** Importing a table: **
+From the docs: "Import is a utility that will load data that has been exported back into HBase." [[http://hbase.apache.org/book.html#_import|Source]]
+<code>
+hbase -Dhbase.import.version=0.94 org.apache.hadoop.hbase.mapreduce.Import <tablename> <inputdir>
+</code>
 ==== TTL ====
@@ Line 69: / Line 91: @@
 <code>
-alter 'table', { TTL = 604800 }
+alter 'table', { TTL => 604800 }
 major_compact 'table'
 </code>