命令： [hdfs@sandbox oozie]$ hadoop dfsadmin -report|head -n 100 输出：
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.
Configured Capacity: 44716605440 (41.65 GB)
Present Capacity: 31614091245 (29.44 GB)
DFS Remaining: 30519073792 (28.42 GB)
DFS Used: 1095017453 (1.02 GB)
DFS Used%: 3.46%
Under replicated blocks: 657
Blocks with corrupt replicas: 0
Missing blocks: 0
Missing blocks (with replication factor 1): 0
-------------------------------------------------
Live datanodes (1):
Name: 10.0.2.15:50010 (sandbox.hortonworks.com)
Hostname: sandbox.hortonworks.com
Decommission Status : Normal
Configured Capacity: 44716605440 (41.65 GB)
DFS Used: 1095017453 (1.02 GB)
Non DFS Used: 13102514195 (12.20 GB)
DFS Remaining: 30519073792 (28.42 GB)
DFS Used%: 2.45%
DFS Remaining%: 68.25%
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: 4
Last contact: Thu Aug 11 23:12:04 UTC 2016什么是cache used%，非dfs used specially？？？
1条答案
按热度按时间pengsaosao1#
hdfs dfsadmin -report命令：报告基本的文件系统信息和统计信息。可选标志可用于筛选显示的数据节点列表。
…来自hadoop的官方页面
关于，
缓存已用%：
它取决于“配置的缓存容量”。它是配置值的百分比。由于没有为缓存配置任何空间，因此显示为100%（0 b，共0 b）
使用的非文件：
计算公式如下：
NonDFS used = Configured Capacity - DFS Used - DFS Remaining