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https://issues.apache.org/jira/browse/HDDS-7816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Debadatta updated HDDS-7816:
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Status: Patch Available (was: In Progress)
> Add DataNode list to the SCM WebUI
> ----------------------------------
>
> Key: HDDS-7816
> URL: https://issues.apache.org/jira/browse/HDDS-7816
> Project: Apache Ozone
> Issue Type: Improvement
> Components: SCM
> Reporter: István Fajth
> Assignee: Debadatta
> Priority: Major
> Labels: knox, pull-request-available
>
> Currently on the SCM Web UI we have a table that provides information about
> the status of the DataNodes in a way that is summarizes the number of nodes
> in different states, and represent the results in a table.
> In this JIRA I would like to propose to remove this table, and introduce a
> new approach to show the information, and open the possibility to add new
> things easily.
> If we show the DataNode host name in the first column, then we have the
> possibility to provide information on a per DataNode basis, similarly as we
> have in the HDFS NameNode UI. With the possibility to filter and sort the
> table contents, and proper pagination, the table can provide any kind of
> easily accessible DN information that SCM is aware of.
> Changing the table to this format, allows us to link from the SCM UI to the
> DN UI, it allows us to provide various other information about the DataNodes,
> and also it contain more useful information about which node is in which
> state instead of showing just an aggregate. The links come in handy for
> example for integrating the DN WebUIs as well with Knox, after KNOX-2833. I
> know Recon can provide the same, and already has a similar table, but all in
> all Recon is an optional component, so we should provide at least a subset of
> the information shown in Recon on other UIs.
> The initial aim covered in this JIRA is to show the DN hostname as a link to
> the DN WebUI in the first column of the new table, then show the health and
> decommissioning state of the DN in the 2nd and 3rd columns leaving the same
> information available. It is out of scope to add new things, those might come
> later on.
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