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https://issues.apache.org/jira/browse/HDFS-12353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16154703#comment-16154703
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steven-wugang commented on HDFS-12353:
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[~drankye] Hello,Excuse me,can you help me review this patch?Thank you very
much!
> Modify Dfsuse percent of dfsadmin report inconsistent with Dfsuse percent of
> datanode reports.
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-12353
> URL: https://issues.apache.org/jira/browse/HDFS-12353
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: steven-wugang
> Assignee: steven-wugang
> Attachments: HDFS-12353.patch
>
>
> use command "hdfs dfsadmin -report",as follows:
> [hdfs@zhd2-3 sbin]$ hdfs dfsadmin -report
> Configured Capacity: 157497375621120 (143.24 TB)
> Present Capacity: 148541284228197 (135.10 TB)
> DFS Remaining: 56467228499968 (51.36 TB)
> DFS Used: 92074055728229 (83.74 TB)
> DFS Used%: 61.99%
> Under replicated blocks: 1
> Blocks with corrupt replicas: 3
> Missing blocks: 0
> Missing blocks (with replication factor 1): 0
> -------------------------------------------------
> Live datanodes (4):
> Name: 172.168.129.1:50010 (zhd2-1)
> Hostname: zhd2-1
> Decommission Status : Normal
> Configured Capacity: 39374343905280 (35.81 TB)
> DFS Used: 23560170107046 (21.43 TB)
> Non DFS Used: 609684660058 (567.81 GB)
> DFS Remaining: 15204489138176 (13.83 TB)
> DFS Used%: 59.84%
> DFS Remaining%: 38.62%
> Configured Cache Capacity: 6000000000 (5.59 GB)
> Cache Used: 0 (0 B)
> Cache Remaining: 6000000000 (5.59 GB)
> Cache Used%: 0.00%
> Cache Remaining%: 100.00%
> Xceivers: 36
> Last contact: Fri Aug 25 10:06:50 CST 2017
> Name: 172.168.129.3:50010 (zhd2-3)
> Hostname: zhd2-3
> Decommission Status : Normal
> Configured Capacity: 39374343905280 (35.81 TB)
> DFS Used: 23463410242057 (21.34 TB)
> Non DFS Used: 620079140343 (577.49 GB)
> DFS Remaining: 15290854522880 (13.91 TB)
> DFS Used%: 59.59%
> DFS Remaining%: 38.83%
> Configured Cache Capacity: 6000000000 (5.59 GB)
> Cache Used: 0 (0 B)
> Cache Remaining: 6000000000 (5.59 GB)
> Cache Used%: 0.00%
> Cache Remaining%: 100.00%
> Xceivers: 30
> Last contact: Fri Aug 25 10:06:50 CST 2017
> Name: 172.168.129.4:50010 (zhd2-4)
> Hostname: zhd2-4
> Decommission Status : Normal
> Configured Capacity: 39374343905280 (35.81 TB)
> DFS Used: 23908322375185 (21.74 TB)
> Non DFS Used: 618808670703 (576.31 GB)
> DFS Remaining: 14847212859392 (13.50 TB)
> DFS Used%: 60.72%
> DFS Remaining%: 37.71%
> Configured Cache Capacity: 6000000000 (5.59 GB)
> Cache Used: 0 (0 B)
> Cache Remaining: 6000000000 (5.59 GB)
> Cache Used%: 0.00%
> Cache Remaining%: 100.00%
> Xceivers: 38
> Last contact: Fri Aug 25 10:06:50 CST 2017
> Name: 172.168.129.2:50010 (zhd2-2)
> Hostname: zhd2-2
> Decommission Status : Normal
> Configured Capacity: 39374343905280 (35.81 TB)
> DFS Used: 21142153003941 (19.23 TB)
> Non DFS Used: 7107518921819 (6.46 TB)
> DFS Remaining: 11124671979520 (10.12 TB)
> DFS Used%: 53.70%
> DFS Remaining%: 28.25%
> Configured Cache Capacity: 6000000000 (5.59 GB)
> Cache Used: 0 (0 B)
> Cache Remaining: 6000000000 (5.59 GB)
> Cache Used%: 0.00%
> Cache Remaining%: 100.00%
> Xceivers: 22
> Last contact: Fri Aug 25 10:06:50 CST 2017
> The first "DFS Used%" value on the top is DFS Used/Present Capacity,but "DFS
> Used%" value in other live datanode reports is DFS Used/Configured Capacity.
> The two calculation methods are inconsistent,misunderstanding may arise.
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