HDFS集群常見報錯匯總


                  HDFS集群常見報錯匯總

                                           作者:尹正傑

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一.DataXceiver error processing WRITE_BLOCK operation 

報錯信息以及截圖如下:

calculation112.aggrx:50010:DataXceiver error processing WRITE_BLOCK operation  src: /10.1.1.116:36274 dst: /10.1.1.112:50010
java.io.IOException: Premature EOF from inputStream
    at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:203)
    at org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doReadFully(PacketReceiver.java:213)
    at org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.doRead(PacketReceiver.java:134)
    at org.apache.hadoop.hdfs.protocol.datatransfer.PacketReceiver.receiveNextPacket(PacketReceiver.java:109)
    at org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:501)
    at org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:901)
    at org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:808)
    at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:169)
    at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:106)
    at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:246)
    at java.lang.Thread.run(Thread.java:748)
  ......
 

 

 

 

 

 

 

  報錯原因:

    文件操作超租期,實際上就是data stream操作過程中文件被刪掉了。

  解決方案:

第一步驟:(修改進程最大文件打開數)

[root@calculation101 ~]# cat /etc/security/limits.conf  | grep -v ^#


*        soft    nofile        1000000
*         hard    nofile        1048576
*        soft    nproc        65536
*        hard    nproc        unlimited
*        soft    memlock        unlimited
*        hard    memlock        unlimited
*         -      nofile          1000000
*         -      nproc           1000000
[root@calculation101 ~]# 

第二步驟:(修改數據傳輸線程個數)

 


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