distcp问题

1 报check-sum mismatch between source_path and target_path

执行命令:

hadoop distcp hdfs://xxxx:8020/mydata/hive/warehouse/db_ecar.db/bd_ads_flow_protrayal_total/  hdfs://yyyy:8020/user/hive/warehouse/db_ecar.db/


报错:







正对这个问题,修改命令:

hadoop distcp -update -skipcrccheck hdfs://xxxx:8020/mydata/hive/warehouse/db_ecar.db/bd_ads_flow_protrayal_total/     hdfs://yyyy:8020/user/hive/warehouse/db_ecar.db/bd_ads_flow_protrayal_total/


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