hbase增量和全量备份
1.星期五全量备份星期四23:59:59的数据,星期一全量备份到星期日23:59:59的数据,其他的增量备份,备份前一天00:00:00 - 23:59:59的数据
01 2 * * 5 /opt/prodfull.sh >> /tmp/full.log 2>&1 & 01 2 * * 1 /opt/prodfull.sh >> /tmp/full.log 2>&1 & #53 17 16 9 * /opt/demoday.sh > /tmp/day.log 2>&1 & 01 02 * * 2 /opt/prodday.sh >> /tmp/day.log 2>&1 & 01 02 * * 3 /opt/prodday.sh >> /tmp/day.log 2>&1 & 01 02 * * 4 /opt/prodday.sh >> /tmp/day.log 2>&1 & 01 02 * * 7 /opt/prodday.sh >> /tmp/day.log 2>&1 &
1.增量备份脚本
#!/bin/bash mydate=`date +%A` yestoday=`date -d "1 day ago" +"%Y-%m-%d" ` #begin tome format 2019-09-11 00:00:00 yestoday_begin_time=`date -d $yestoday" 00:00:00" +%s` #yestoday_begin_time="1568627040" echo $yestoday_begin_time yestoday_end_time=`date -d $yestoday" 23:59:59" +%s` #yestoday_end_time="1568627520" echo $yestoday_end_time function backup02_tables { #check if dir exist or not /do1cloud/hadoop-3.0.3/bin/hdfs dfs -ls /do1cloud/real_backup02/${1}_${mydate} > /dev/null 2>&1 olddir_check=$(echo $?) #if dir exist then remove the dir and mkdir new dir if [[ $olddir_check -eq 0 ]] ; then echo ${1}_${mydate} /do1cloud/hadoop-3.0.3/bin/hdfs dfs -rm /do1cloud/real_backup02/${1}_$mydate/* /do1cloud/hadoop-3.0.3/bin/hdfs dfs -rmdir /do1cloud/real_backup02/${1}_${mydate} /do1cloud/hbase-2.0.5/bin/hbase org.apache.hadoop.hbase.mapreduce.Export $1 /do1cloud/real_backup02/${1}_${mydate} $yestoday_begin_time $yestoday_end_time else /do1cloud/hbase-2.0.5/bin/hbase org.apache.hadoop.hbase.mapreduce.Export $1 /do1cloud/real_backup02/${1}_${mydate} $yestoday_begin_time $yestoday_end_time fi /do2cloud/hadoop-3.0.3/bin/hdfs dfs -get /do5cloud/real_backup02/${1}_${mydate} /do3cloud/do24export/fortar/${1}_${mydate}_$yestoday_end_time } for table in `cat /opt/prodtables.txt` do backup02_tables $table done nowtime=`date +'%Y-%m-%d-%H-%M-%S'` tar -zcf /do6cloud/do14export/fortar/tables_${nowtime}.tar.gz /do0cloud/do94export/fortar/*_${mydate}*/ find /do1cloud/do14export/fortar/ -mtime +5 -exec rm -rf {} \;
3.全量备份脚本
#!/bin/bash mydate=`date +%A` yestoday_begin_time=`date -d $yestoday" 00:00:00" +%s` echo $yestoday_begin_time yestoday_end_time=`date -d $yestoday" 23:59:59" +%s` #yestoday_end_time='1568614500' echo $yestoday_end_time function backup_tables { #check if dir exist or not /do1cloud/hadoop-3.0.3/bin/hdfs dfs -ls /do1cloud/real_backup/${1}_${mydate} > /dev/null 2>&1 olddir_check=$(echo $?) #if dir exist then remove the dir and mkdir new dir if [[ $olddir_check -eq 0 ]] ; then echo ${1}_${mydate} /do1cloud/hadoop-3.0.3/bin/hdfs dfs -rm /do1cloud/real_backup/${1}_$mydate/* /do1cloud/hadoop-3.0.3/bin/hdfs dfs -rmdir /do1cloud/real_backup/${1}_${mydate} /do1cloud/hbase-2.0.5/bin/hbase org.apache.hadoop.hbase.mapreduce.Export $1 /do1cloud/real_backup/${1}_${mydate} else /do1cloud/hbase-2.0.5/bin/hbase org.apache.hadoop.hbase.mapreduce.Export $1 /do1cloud/real_backup/${1}_${mydate} 1 $yestoday_end_time fi /do1cloud/hadoop-3.0.3/bin/hdfs dfs -get /do1cloud/real_backup/${1}_${mydate} /do1cloud/do14export/fortar/${1}_${mydate}_$yestoday_end_time } for table in `cat /opt/prodtables.txt` do backup_tables $table done echo $?"result" nowtime=`date +'%Y-%m-%d-%H-%M-%S'` tar -zcf /do1cloud/do14export/fortar/tables_${nowtime}.tar.gz /do1cloud/do14export/fortar/*_${mydate}*/ find /do1cloud/do14export/fortar/ -mtime +5 -exec rm -rf {} \;
用一个例子来演示会更加清晰
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