hadoop_distcp_0">HDFS集群间数据迁移(hadoop distcp) hadoop distcp \ -pb \ hdfs://XX.14.36.205:8020/user/hive/warehouse/dp_fk_tmp.db/ph_cash_order \ hdfs://XX.18.32.21:8020/user/hive/warehouse/dp_fksx_mart.db/ hbase_ExportSnapshot_10">HBase集群间数据(hbase ExportSnapshot) /usr/local/fqlhadoop/hbase/bin/hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot \ -Dmapreduce.job.name=ExportSnapshot-portrait_info_fql_20241106 \ -Dmapreduce.job.queuename=lx_realtime \ -Dsnapshot.export.skip.tmp=true \ -Dmapreduce.map.memory.mb=4096 \ -Dmapreduce.map.java.opts=-Xmx3686m \ -overwrite \ -snapshot snapshot_portrait_info_fql_20241106 \ -copy-from hdfs://11.portraitszl.hbase.fql.com:8020/hbase \ -copy-to hdfs://1.compareportrait.hbase.fql.com:8020/hbase \ -mappers 150 \ -bandwidth 100