原创

【hdfs 常用命令】数据put到hdfs

# 下载

hdfs dfs -getmerge /user/hive/warehouse/tempon.db/tl_text_center    /home/admin/t1_subject.txt


# 建外部表

drop table tempon.text_anti_brush_info
create external table if not exists tempon.text_anti_brush_info (
sourceId string COMMENT '{"sourceId":"文本ID", "description":"sourceId"}',
strategyCode  string COMMENT '{"strategyCode":"策略代码", "description":"strategyCode"}'
)
comment '文本防刷日志解析临时表'
row format delimited
 fields terminated by '\t'
 collection items terminated by '\002'
 map keys terminated by '\003'
 lines terminated by '\n'
stored as textfile
location '/user/admin/deploy/text_anti_brush';



# 创建路径
hdfs dfs -mkdir '/user/admin/deploy/text_anti_brush';


# 删除路径
hdfs dfs -rm /user/admin/deploy/text_anti_brush/t1_subject_info.txt



# put数据
hdfs dfs -put -f  /home/admin/t1_subject_info.txt   /user/admin/deploy/text_anti_brush/
正文到此结束