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08-08-2017
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29
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My Accepted Solutions
Title | Views | Posted |
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1192 | 06-15-2020 05:23 AM | |
6766 | 01-30-2020 08:04 PM | |
1375 | 07-07-2019 09:06 PM | |
5850 | 01-27-2018 10:17 PM | |
3191 | 12-31-2017 10:12 PM |
09-04-2018
12:17 PM
@Geoffrey So the last thing that we can to do is to add disk on the datanode , or add data-node machine , what your opinion ?
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09-04-2018
11:06 AM
@Geoffrey , yes we already did hdfs dfs -expunge and still HDFS is around 88%
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09-04-2018
10:32 AM
@Rabbit , so in our case based on that 88% is HDFS uses , the only one option to be with more HDFS space is to add adisk in each datanode ? am I right ?
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09-04-2018
10:16 AM
@jay , yes I agree , but how it can be the datanode disk are with capacity of 50% and HDFS show 88% ? , and why we not used all the size of datanode disks ? , I am really not understant that
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09-04-2018
09:36 AM
@Jay , according to http://$ACTIVE_NAMENODE:50070/dfshealth.html#tab-overview we get
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09-04-2018
06:16 AM
@Jay do you need other info?
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09-04-2018
05:43 AM
@Jay another info from my datanode about the disk use
datanode1
47% disk1
64% disk2
48% disk3
49% disk4
datanode2
44%
53%
61%
44%
datanode3
55%
46%
45%
91%
datanode4
63%
45%
49%
46%
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09-04-2018
05:29 AM
@jay , we got the following results su - hdfs -c " hdfs dfsadmin -report | grep 'DFS Used%' "
DFS Used%: 87.38%
DFS Used%: 88.48%
DFS Used%: 87.00%
DFS Used%: 84.70%
DFS Used%: 87.93%
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09-04-2018
05:25 AM
@Jay , I want to note that we have 4 datenode machines ( 4 workers machines ) and each worker have 4 disks with 20G
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09-04-2018
04:44 AM
@Jay , this is what we got: ( so this is like 88% used ) , and regarding my question , how it can be 88% when disk are ~50%
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