zoukankan      html  css  js  c++  java
  • webhdfs追加写HDFS异常

    问题

    {:timestamp=>"2015-03-04T00:02:47.224000+0800", :message=>"Retrying webhdfs write for multiple times. Maybe you should increase retry_interval or reduce number of workers.", :level=>:warn}
    {:timestamp=>"2015-03-04T00:02:47.751000+0800", :message=>"Retrying webhdfs write for multiple times. Maybe you should increase retry_interval or reduce number of workers.", :level=>:warn}
    {:timestamp=>"2015-03-04T00:02:48.788000+0800", :message=>"Retrying webhdfs write for multiple times. Maybe you should increase retry_interval or reduce number of workers.", :level=>:warn}
    {:timestamp=>"2015-03-04T00:02:50.325000+0800", :message=>"Retrying webhdfs write for multiple times. Maybe you should increase retry_interval or reduce number of workers.", :level=>:warn}
    {:timestamp=>"2015-03-04T00:02:52.361000+0800", :message=>"Max write retries reached. Exception: {"RemoteException":{"exception":"AlreadyBeingCreatedException","javaClassName":"org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException","message":"Failed to create file [/user/yimr/2015-03-03/16.log] for [DFSClient_NONMAPREDUCE_1517029404_16] for client [192.168.2.207], because this file is already being created by [DFSClient_NONMAPREDUCE_-190688369_16] on [192.168.2.207]\n\tat org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:2636)\n\tat org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2462)\n\tat org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2700)\n\tat org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2663)\n\tat org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:559)\n\tat org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:388)\n\tat org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)\n\tat org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)\n\tat org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)\n\tat org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)\n\tat org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)\n\tat java.security.AccessController.doPrivileged(Native Method)\n\tat javax.security.auth.Subject.doAs(Subject.java:415)\n\tat org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)\n\tat org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007)\n"}}", :level=>:error}

    原因:

    1台机器,数据备份默认设置为3,通过webhdfs写报错。修改备份数为1正常。

  • 相关阅读:
    cpu进程调度---RT Throttling【转】
    Google 开发新的开源系统 Fuchsia
    牛人博客!!!各大招聘网站信息实时查询浏览【转】
    ARM多核处理器启动过程分析【转】
    Linux 下多核CPU知识【转】
    Android的init过程(二):初始化语言(init.rc)解析【转】
    In_interrupt( ) 和In_irq( )【转】
    jiffies溢出与时间先后比较-time_after,time_before【转】
    Linux系统的中断、系统调用和调度概述【转】
    linux中断的上半部和下半部 【转】
  • 原文地址:https://www.cnblogs.com/osroot/p/4312226.html
Copyright © 2011-2022 走看看