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https://issues.apache.org/jira/browse/HDDS-15306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gargi Jaiswal updated HDDS-15306:
---------------------------------
Status: Patch Available (was: In Progress)
> 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: Soumitra Sulav
> Assignee: Gargi Jaiswal
> Priority: Major
> Labels: pull-request-available
>
> Reported by [~ssulav] and [~elavarasan]
> * 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 2 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}
> * Only the *IdealUsage: 0.14747954 | Threshold: 10.0% | ThresholdRange:
> (0.04747954, 0.24747954)*
> *Utilization | VolumeDensity* should be in percentage form.
> * In diskbalancer report for each dn storage report also add *ozoneAvailable
> field* and change *TotalCapacity -> OzoneCapacity* and *UsedSpace ->
> OzoneUsed.*
> * *Add more clarity about delta moves in the diskbalancer status notes.*
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