hdfs dfsadmin -report 查看集群节点

最新推荐文章于 2022-12-14 11:10:18 发布

朱智文

最新推荐文章于 2022-12-14 11:10:18 发布

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分类专栏：大数据

本文链接：https://blog.youkuaiyun.com/u014236541/article/details/78173865

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在Hadoop集群中，使用`hdfs dfsadmin -report`命令可以查看集群的状态，包括安全模式、配置容量、可用容量、使用情况以及各个DataNode节点的详细信息，如主机名、容量、使用量、剩余量等。

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[hadoop@mina0 hadoop-2.6.4]$ hdfs dfsadmin -report
Safe mode is ON
Configured Capacity: 72955723776 (67.95 GB)
Present Capacity: 44937408512 (41.85 GB)
DFS Remaining: 44937392128 (41.85 GB)
DFS Used: 16384 (16 KB)
DFS Used%: 0.00%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0

-------------------------------------------------
Live datanodes (4):

Name: 192.168.36.195:50010 (mina2)
Hostname: mina2
Decommission Status : Normal
Configured Capacity: 18238930944 (16.99 GB)
DFS Used: 4096 (4 KB)
Non DFS Used: 6915862528 (6.44 GB)
DFS Remaining: 11323064320 (10.55 GB)
DFS Used%: 0.00%
DFS Remaining%: 62.08%
Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%
Xceivers: 1
Last contact: Sun Oct 08 11:20:36 CST 2017


Name: 192.168.36.196:50010 (mina3)
Hostname: mina3
Decommission Status : Normal
Configured Capacity: 18238930944 (16.99 GB)
DFS Used: 4096 (4