hadoop文件报错的相关内容

问答 2024-06-02 来自：开发者社区

E-MapReduce hadoop集群一台机器中一个edits文件异常报错Can't sca...

E-MapReduce hadoop集群一台机器中一个edits文件异常报错Can't scan a pre-transactional edit log.

问答 2022-12-06 来自：开发者社区

E-MapReduce hadoop集群一台机器中一个edits文件异常报错

E-MapReduce hadoop集群一台机器中一个edits文件异常报错Can't scan a pre-transactional edit log.

问答 2020-06-14 来自：开发者社区

Hadoop多文件输出追加文件：报错

hadoop多文件输出，有多个reduce，但是，有些key值一样的结果我想输出到一个文件中。可是，由于有多个reduce，前一个reduce输出的文件将被后面的reduce的输出给覆盖。Hadoop的文件IO类中有向文件结尾写数据的类吗？FileSystem里面有一个append（）方法，但是这个方法要求要有文件存在，所以不行，而create（）方法即使我将第2个参数设置成false，依然要覆....

问答 2020-06-14 来自：开发者社区

hadoop2.2.0集群运行wordcount例子生成2个结果文件：报错

最近在虚拟机中安装了Hadoop2.2.0的集群，nameNode是redhat的，dataNode是ubuntu的，起服务进程都是正常的,通过JPS和50070都可以正常访问，运行例子wordcount后发现在输出文件夹里生成了2个结果文件,part-r-00000,part-r-00001，这2个文件里的内容完全不一样，就是把单词统计结果分别存到了2个文件中，结果是正确的，但是分在了2个文件....

问答 2020-06-03 来自：开发者社区

hadoop2.2.0集群运行wordcount例子生成2个结果文件- hadoop报错

问答 2020-06-01 来自：开发者社区

hadoop求救,说hdfs文件不存在? 400 报错

hadoop求救,说hdfs文件不存在? 400 报错找了教程,说不存在,可是的确是存在的,为什么还出错?

问答 2020-06-01 来自：开发者社区

hadoop2.2.0集群运行wordcount例子生成2个结果文件:配置报错

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更新时间 2024-06-03 19:08:11

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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