First it’s necessary to export tables do the HDFS and then execute -get to save the files in the local system. [code] #!/bin/bash
DATAREF=`date +"%Y-%m-%d"`
BKPDIR=/backup/$DATAREF
mkdir $BKPDIR
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb
sudo -u hdfs hbase org.apache.hadoop.hbase.mapreduce.Export tsdb /dump-tsdb
sudo -u hdfs hadoop dfs -get /dump-tsdb $BKPDIR
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-tree
sudo -u hdfs hbase org.apache.hadoop.hbase.mapreduce.Export tsdb-tree /dump-tsdb-tree
sudo -u hdfs hadoop dfs -get /dump-tsdb-tree $BKPDIR
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-tree
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-uid
sudo -u hdfs hbase org.apache.hadoop.hbase.mapreduce.Export tsdb-uid /dump-tsdb-uid
sudo -u hdfs hadoop dfs -get /dump-tsdb-uid $BKPDIR
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-uid
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-meta
sudo -u hdfs hbase org.apache.hadoop.hbase.mapreduce.Export tsdb-meta /dump-tsdb-meta
sudo -u hdfs hadoop dfs -get /dump-tsdb-meta $BKPDIR
sudo -u hdfs hadoop dfs -rm -f -r /dump-tsdb-meta
cd $BKPDIR
tar -cjf hbase_bkp_$DATAREF.tar.bz2 dump-*
rm -fr $BKPDIR/dump-*[/code]
To restore:[code] $ bin/hbase org.apache.hadoop.hbase.mapreduce.Import <tablename> <inputdir>[/code]
Reference:
Chapter 14. Apache HBase (TM) Operational Management