hadoop 安装运行问题整理

最新推荐文章于 2025-02-20 14:33:30 发布

zhanghenglei

最新推荐文章于 2025-02-20 14:33:30 发布

阅读量826

点赞数

CC 4.0 BY-SA版权

分类专栏： hadoop

本文链接：https://blog.youkuaiyun.com/zhanghenglei/article/details/9849395

hadoop 专栏收录该内容

1 篇文章

订阅专栏

本文记录了在使用Hadoop过程中遇到的文件复制错误DataStreamerException，并提供了通过关闭安全模式和防火墙解决问题的方法。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1、

1、DataStreamer Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/tmg/testdir/core-site.xml could only be replicated to 0

nodes, instead of 1

--------------------------

long@long-machine:~/hadoop-0.20.2/bin$ ./hadoop dfsadmin -report
Configured Capacity: 20870905856 (19.44 GB)
Present Capacity: 11939729408 (11.12 GB)
DFS Remaining: 11939704832 (11.12 GB)
DFS Used: 24576 (24 KB)
DFS Used%: 0%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0

-------------------------------------------------
Datanodes available: 1 (1 total, 0 dead)

Name: 127.0.0.1:50010
Decommission Status : Normal
Configured Capacity: 20870905856 (19.44 GB)
DFS Used: 24576 (24 KB)
Non DFS Used: 8931176448 (8.32 GB)
DFS Remaining: 11939704832(11.12 GB)
DFS Used%: 0%
DFS Remaining%: 57.21%
Last contact: Fri Aug 09 09:05:16 CST 2013