druid读取hdfs文件

2019独角兽企业重金招聘Python工程师标准>>>

{"type" : "index_hadoop","spec" : {"dataSchema" : {"dataSource" : "wikipedia","parser" : {"type" : "hadoopyString","parseSpec" : {"format" : "json","timestampSpec" : {"column" : "timestamp","format" : "auto"},"dimensionsSpec" : {"dimensions": ["page","language","user","unpatrolled","newPage","robot","anonymous","namespace","continent","country","region","city"],"dimensionExclusions" : [],"spatialDimensions" : []}}},"metricsSpec" : [{"type" : "count","name" : "count"},{"type" : "doubleSum","name" : "added","fieldName" : "added"},{"type" : "doubleSum","name" : "deleted","fieldName" : "deleted"},{"type" : "doubleSum","name" : "delta","fieldName" : "delta"}],"granularitySpec" : {"type" : "uniform","segmentGranularity" : "DAY","queryGranularity" : "NONE","intervals" : [ "2013-08-31/2013-09-01" ]}},"ioConfig" : {"type" : "hadoop","inputSpec" : {"type" : "static","paths" : "/MyDirectory/example/wikipedia_data.json"}},"tuningConfig" : {"type": "hadoop"}},"hadoopDependencyCoordinates": <my_hadoop_version>
}

官网地址

http://druid.io/docs/0.10.1/ingestion/batch-ingestion.html

转载于:https://my.oschina.net/u/2000675/blog/1572650

druid读取hdfs文件相关推荐

记录一次读取hdfs文件时出现的问题java.net.ConnectException: Connection refused
公司的hadoop集群是之前的同事搭建的,我(小白一个)在spark shell中读取hdfs上的文件时,执行以下指令 >>> word=sc.textFile("hdfs ...
python读取HDFS文件
2019独角兽企业重金招聘Python工程师标准>>> ###方法一:使用hdfs库读取HDFS文件 ###在读取数据时,要加上 encoding='utf-8',否则字符串前面会有 ...
Spark没有读取HDFS文件的方法？那textFile是怎么读的？
直入正题吧,ctrl+鼠标点进textFile方法. package org.apache.spark ......... /*** Read a text file from HDFS, a loc ...
java 读取hdfs文件，注意事项
昨天在写java读取hdfs文件的时候一直报错 java.io.IOException: No FileSystem for scheme: hdfs ,这个问题纠结了很长时间(尝试添加core-si ...
java读取hdfs文件夹_HDFS 读取、写入、遍历文件夹获取文件全路径、append
1.从HDFS中读取数据 Configuration conf = getConf(); Path path = new Path(pathstr); FileSystem fs = FileSyst ...
Spark读取HDFS文件报错：java.net.ConnectException: Call From to localhost:9000 failed on connection
在Ubuntu启动了spark后进入scala,从HDFS读取已经放入的README.md文件,输入 val textFile = sc.textFile("hdfs://localhost ...
视频服务器读取hdfs文件,基于HDFS的流媒体服务器Red5视频文件分发的研究与应用...
摘要: 随着互联网的高速发展,大型在线视频网站得到了众多用户的青睐,同时便携式摄影设备的高度普及,使得网络音视频数据量呈爆炸式增长,由此产生的海量音视频文件的存储分发问题已经成为当前互联网领域研究的热 ...
SparkStreaming读取Hdfs文件完成wordCount
首先完成逻辑代码如下 import org.apache.spark.SparkConf import org.apache.spark.streaming.dstream.DStream impor ...
Java读取hdfs文件权限问题
在连接hadoop时,加入一下代码 System.setProperty("HADOOP_USER_NAME","hadoop"); 修改配置文件将hdfs- ...

druid读取hdfs文件

druid读取hdfs文件相关推荐

最新文章

热门文章