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名称:hdfsreader
协议 | 是否支持 |
---|---|
Hadoop 2.x | 支持 |
Hadoop 3.x | 支持 |
text
、orc
、parquet
fileType
为text
时字段的分隔符\001
"column": [{
"name": "col",
"type": "datetime",
"index":1,
"isPart":false,
"format": "yyyy-MM-dd hh:mm:ss",
"value": "value"
}]
{
"job": {
"content": [
{ "reader" : {
"parameter" : {
"path" : "/user/hive/warehouse/dev.db/merge_text",
"hadoopConfig" : {
"dfs.ha.namenodes.ns1" : "nn1,nn2",
"dfs.namenode.rpc-address.ns1.nn2" : "host1:9000",
"dfs.client.failover.proxy.provider.ns1" : "org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider",
"dfs.namenode.rpc-address.ns1.nn1" : "host2:9000",
"dfs.nameservices" : "ns1"
},
"column" : [ {
"name": "col1",
"index" : 0,
"type" : "STRING"
}, {
"name": "col2",
"index" : 1,
"type" : "STRING"
} ],
"defaultFS" : "hdfs://ns1",
"fieldDelimiter" : "\u0001",
"fileType" : "text"
},
"name" : "hdfsreader"
},
"writer": {
"name": "streamwriter",
"parameter": {
"print": true
}
}
}
],
"setting": {
"speed": {
"channel": 1
},
"restore": {
"isRestore": false
}
}
}
}
{
"job": {
"content": [
{ "reader" : {
"parameter" : {
"path" : "/user/hive/warehouse/dev.db/merge_orc",
"filterRegex" : "..*\\.snappy",
"hadoopConfig" : {
"dfs.ha.namenodes.ns1" : "nn1,nn2",
"dfs.namenode.rpc-address.ns1.nn2" : "host1:9000",
"dfs.client.failover.proxy.provider.ns1" : "org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider",
"dfs.namenode.rpc-address.ns1.nn1" : "host2:9000",
"dfs.nameservices" : "ns1"
},
"column" : [ {
"name": "col1",
"index" : 0,
"type" : "STRING"
}, {
"name": "col2",
"index" : 1,
"type" : "STRING"
} ],
"defaultFS" : "hdfs://ns1",
"fileType" : "orc"
},
"name" : "hdfsreader"
},
"writer": {
"name": "streamwriter",
"parameter": {
"print": true
}
}
}
],
"setting": {
"speed": {
"channel": 1
},
"restore": {
"isRestore": false
}
}
}
}
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