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https://issues.apache.org/jira/browse/SOLR-8207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16406342#comment-16406342
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Jan Høydahl commented on SOLR-8207:
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A little note. What we mean by "node" here will be one Solr instance. As the
most common usecase is to have one solr node per server, this will work well.
For users having multiple Solr nodes per server, then some information like
load, disk usage etc will probably be the same between them.
We should also consider an alternative view adding a "server" column and allow
grouping by server, so one easily can see what nodes are co-located on the same
server if you e.g. want to decommission a physical server. More wireframe
designs with more details must follow.
> Modernise cloud tab on Admin UI
> -------------------------------
>
> Key: SOLR-8207
> URL: https://issues.apache.org/jira/browse/SOLR-8207
> Project: Solr
> Issue Type: Improvement
> Components: Admin UI
> Affects Versions: 5.3
> Reporter: Upayavira
> Assignee: Upayavira
> Priority: Major
> Attachments: nodes-tab.png
>
>
> The various sub-tabs of the "Cloud tab" were designed before anyone was
> making real use of SolrCloud, and when we didn't really know the use-cases we
> would need to support. I would argue that, whilst they are pretty (and
> clever) they aren't really fit for purpose (with the exception of tree view).
> Issues:
> * Radial view doesn't scale beyond a small number of nodes/collections
> * Paging on the graph view is based on collections - so a collection with
> many replicas won't be subject to pagination
> * The Dump feature is kinda redundant and should be removed
> * There is now a major overlap in functionality with the new Collections tab
> What I'd propose is that we:
> * promote the tree tab to top level
> * remove the graph views and the dump tab
> * add a new Nodes tab
> This nodes tab would complement the collections tab - showing nodes, and
> their associated replicas/collections. From this view, it would be possible
> to add/remove replicas and to see the status of nodes. It would also be
> possible to filter nodes by status: "show me only up nodes", "show me nodes
> that are in trouble", "show me nodes that have leaders on them", etc.
> Presumably, if we have APIs to support it, we might have a "decommission
> node" option, that would ensure that no replicas on this node are leaders,
> and then remove all replicas from the node, ready for it to be removed from
> the cluster.
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