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https://issues.apache.org/jira/browse/SOLR-8207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14974320#comment-14974320
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Upayavira commented on SOLR-8207:
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[~erickerickson] I can see your argument for keeping it. If we were to remove
it straight away, we'd need to be sure it functions well straight-away for such
large environments.
We can win big time just by allowing filtering (only hosts that are having
problems, only hosts that have no replicas, only hosts that have more than 5
replicas, etc) - things that we can't do right now via the current UI.
I think the right thing to do is to build this out and try it out on trunk, and
see what reaction we get. Once 5.4 goes out, we should start to see trunk/5x
diverge more, with risky/large UI changes baking on trunk for a while first.
> Modernise cloud tab on Admin UI
> -------------------------------
>
> Key: SOLR-8207
> URL: https://issues.apache.org/jira/browse/SOLR-8207
> Project: Solr
> Issue Type: Improvement
> Components: web gui
> Affects Versions: 5.3
> Reporter: Upayavira
> Assignee: Upayavira
>
> 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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