当前位置:   article > 正文

DataX之读取Hive数据_datax 读取hive

datax 读取hive

1、编写脚本read-hive.json

{
    "job": {
        "setting": {
            "speed": {
                "channel": 3
            }
        },
        "content": [
            {
                "reader": {
                    "name": "hdfsreader",
                    "parameter": {
                        "path": "/user/hive/warehouse/ods.db/ods_emp/*",
					"defaultFS": "hdfs://hdfs-ha",
					"hadoopConfig":{
						"dfs.nameservices": "hdfs-ha",
						"dfs.ha.namenodes.hdfs-ha": "nn1,nn2",
						"dfs.namenode.rpc-address.hdfs-ha.nn1": "node01:8020",
						"dfs.namenode.rpc-address.hdfs-ha.nn2": "node02:8020",
						"dfs.client.failover.proxy.provider.hdfs-ha": "org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider"
					},
                        "column": ["*"],
                        "fileType": "text",
                        "encoding": "UTF-8",
                        "fieldDelimiter": ","
                    }
                },
                "writer": {
                    "name": "streamwriter",
                    "parameter": {
                        "print": true
                    }
                }
            }
        ]
    }
}
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37

2、执行脚本

/datax/bin/datax.py ./read-hive.json
  • 1
声明:本文内容由网友自发贡献,不代表【wpsshop博客】立场,版权归原作者所有,本站不承担相应法律责任。如您发现有侵权的内容,请联系我们。转载请注明出处:https://www.wpsshop.cn/w/你好赵伟/article/detail/141166?site
推荐阅读
相关标签
  

闽ICP备14008679号