Gargi Jaiswal created HDDS-15306:
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Summary: Expose Disk Balancer CLI in top-level datanode help and
improve usability
Key: HDDS-15306
URL: https://issues.apache.org/jira/browse/HDDS-15306
Project: Apache Ozone
Issue Type: Improvement
Affects Versions: 2.2.0
Reporter: Gargi Jaiswal
Assignee: Gargi Jaiswal
* Make *diskBalancer visible* on top-level datanode help command which was
hidden in this PR HDDS-13649
* Improve diskBalancer help msg to explain how to terminate *stdin input* when
using *-* to provide datanode addresses through standard input.
{code:java}
Usage: ozone admin datanode diskbalancer status [-hV] [--in-service-datanodes]
[--json] [--verbose] [<datanode address>...]
Get DiskBalancer status
[<datanode address>...]
Datanode addresses: one or more, separated by spaces. To read
from stdin, specify '-' and supply one item per line.Port
is optional and defaults to 19864 (CLIENT_RPC port).
Examples: 'DN-1', 'DN-1:19864', '192.168.1.10'.
-h, --help Show this help message and exit. {code}
* All the values in diskbalancer report should be rounded to 5 decimal places.
{code:java}
[dn-1 ~]# ozone admin datanode diskbalancer report --in-service-datanodes
--verbose
Report result:
Datanode: dn1 (10.82.246.167:19864)
Aggregate VolumeDataDensity: 0.20786860859385214
IdealUsage: 0.14747954 | Threshold: 10.0% | ThresholdRange: (0.04747954,
0.24747954)
Volume Details:
StorageID StoragePath
TotalCapacity UsedSpace Container Pre-AllocatedSpace
EffectiveUsedSpace Utilization VolumeDensity
DS-71f33f87-9212-488c-9ae6-4db48c9a48f1 /hadoop-ozone/datanode/data/hdds
349.27 GB 4.71 GB 26.82 GB
75.05 GB 0.21487346 0.06739392
DS-ac73c11c-993a-49f9-b97e-ea61145452e2 /hadoop-ozone/datanode/data2/hdds
195.78 GB 1.11 GB 4.27 GB
16.36 GB 0.08357777 0.06390177
DS-5b27f109-0029-424a-9092-5ae7692b98db hadoop-ozone/datanode/data3/hdds
195.78 GB 2.32 GB 18.06 GB 30.86
GB 0.15760217 0.01012263
DS-3350ed2c-326c-4725-9fe2-755e85d17b02 hadoop-ozone/datanode/data4/hdds
195.78 GB 1.13 GB 4.26 GB 15.86
GB 0.08102925 0.06645028 {code}
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