hbase 定时备份

#!/bin/bash
#su - hdfs <<EOF
data1=`date "+%Y%m%d%H%M%S"`
data2="/user/news/hbase_backup/back${data1}"
data3="back${data1}.tar.gz"
data4="back${data1}"
echo '-----------'
echo $data1
echo $data2
echo $data3
echo $data4
echo '----------'

su - hdfs <<EOF

hbase org.apache.hadoop.hbase.mapreduce.Driver export news $data2

hadoop dfs -get $data2 /dfs/backup/

exit;

EOF

cd /dfs/backup/

tar -czf $data3 $data4

rm -rf $data4

deldata1=`date -d "15 day ago" +"%Y%m%d"`
deldata2="back${deldata1}*"

echo "------------"

echo $deldata1
echo "-------"
echo $deldata2

echo "----------"

rm -rf $deldata2