Hadoop Cluster Report File(11 DataNodes)

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本文详细分析了Hadoop集群的存储容量、实际使用容量、剩余容量及各节点的数据分布状态，展示了集群配置、已用空间、未使用空间等关键指标，并通过具体数据说明了各节点的存储使用情况。

执行: hadoop dfsadmin -report

输出:

Configured Capacity: 178789011456 (166.51 GB)

Present Capacity: 69984800768 (65.18 GB)
DFS Remaining: 69981171712 (65.18 GB)
DFS Used: 3629056 (3.46 MB)
DFS Used%: 0.01%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0

-------------------------------------------------
Datanodes available: 11 (11 total, 0 dead)

Name: 10.1.255.242:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 385024 (376 KB)
Non DFS Used: 8682676224 (8.09 GB)
DFS Remaining: 7570485248(7.05 GB)
DFS Used%: 0%
DFS Remaining%: 46.58%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.247:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 331776 (324 KB)
Non DFS Used: 8948719616 (8.33 GB)
DFS Remaining: 7304495104(6.8 GB)
DFS Used%: 0%
DFS Remaining%: 44.94%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.244:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 348160 (340 KB)
Non DFS Used: 9493422080 (8.84 GB)
DFS Remaining: 6759776256(6.3 GB)
DFS Used%: 0%
DFS Remaining%: 41.59%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.248:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 339968 (332 KB)
Non DFS Used: 8330801152 (7.76 GB)
DFS Remaining: 7922405376(7.38 GB)
DFS Used%: 0%
DFS Remaining%: 48.74%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.252:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 28672 (28 KB)
Non DFS Used: 15432286208 (14.37 GB)
DFS Remaining: 821231616(783.19 MB)
DFS Used%: 0%
DFS Remaining%: 5.05%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.246:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 372736 (364 KB)
Non DFS Used: 9134526464 (8.51 GB)
DFS Remaining: 7118647296(6.63 GB)
DFS Used%: 0%
DFS Remaining%: 43.8%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.250:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 401408 (392 KB)
Non DFS Used: 9365250048 (8.72 GB)
DFS Remaining: 6887895040(6.41 GB)
DFS Used%: 0%
DFS Remaining%: 42.38%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.254:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 331776 (324 KB)
Non DFS Used: 8883793920 (8.27 GB)
DFS Remaining: 7369420800(6.86 GB)
DFS Used%: 0%
DFS Remaining%: 45.34%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.245:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 331776 (324 KB)
Non DFS Used: 8846180352 (8.24 GB)
DFS Remaining: 7407034368(6.9 GB)
DFS Used%: 0%
DFS Remaining%: 45.57%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.251:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 425984 (416 KB)
Non DFS Used: 9436704768 (8.79 GB)
DFS Remaining: 6816415744(6.35 GB)
DFS Used%: 0%
DFS Remaining%: 41.94%
Last contact: Thu Dec 01 13:27:24 CST 2011

Name: 10.1.255.241:50919
Decommission Status : Normal
Configured Capacity: 16253546496 (15.14 GB)
DFS Used: 331776 (324 KB)
Non DFS Used: 12249849856 (11.41 GB)
DFS Remaining: 4003364864(3.73 GB)
DFS Used%: 0%
DFS Remaining%: 24.63%
Last contact: Thu Dec 01 13:27:24 CST 2011