求助: hadoop 的 wordcount 一直是挂起状态 ACCEPTED: waiting for AM container to be allocated, launched and register with RM. - V2EX
zdkk

求助: hadoop 的 wordcount 一直是挂起状态 ACCEPTED: waiting for AM container to be allocated, launched and register with RM.

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  •   zdkk Mar 21, 2020 5081 views
    This topic created in 2243 days ago, the information mentioned may be changed or developed.

    搭建单节点伪分布式系统时,配置运行方式为 yarn (改成 local 时运行 wordcount 正常)时,一直无响应,被挂起。 看了很多帖子,已检查 hosts 正常。配置文件等都正常

    但是程序依旧不能正常运行。

    问题详细: https://bbs.csdn.net/topics/396194270?page=1#post-411038079

    7 replies    2020-03-23 09:29:38 +08:00
    14night
        1
    14night  
       Mar 21, 2020
    jps 查看是否启动了 Yarn,ResourceManager 和 NodeManager 都要启动。
    zdkk
        2
    zdkk  
    OP
       Mar 21, 2020
    @14night 这些都启动了
    [hadoopuser@hadoop101 hadoop-2.7.2]$ jps
    1767 NameNode
    16984 ResourceManager
    1762 DataNode
    17726 RunJar
    19534 NodeManager
    19631 Jps

    刚才尝试关闭 NodeManager,运行 wordcount,结果发现也不报任何错日志也正常,问题描述的现象一模一样
    14night
        3
    14night  
       Mar 22, 2020
    @zdkk logs/下的 yarn-${username}-resourcemanager-${hostname}.log 和
    yarn-${username}-nodemanager-${hostname}.log 也不报错吗?
    zdkk
        4
    zdkk  
    OP
       Mar 22, 2020
    zdkk
        5
    zdkk  
    OP
       Mar 22, 2020
    找到问题了,搞了半天不是 因为配置等原因,因为 linux 硬盘容量使用比达到 98%,而 hadoop 的阈值是 90%。这个问题太隐晦了
    @14night
    14night
        6
    14night  
       Mar 22, 2020
    @zdkk 看来搞了很久,不过这样一弄就记住了, 我也是刚学习不久 hadoop,没能给很好的建议。
    zdkk
        7
    zdkk  
    OP
       Mar 23, 2020
    @14night 我才初学,hadoop 的坑必须都踩一遍。
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