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From Tomás Fernández Löbbe (JIRA) <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-8207) Modernise cloud tab on Admin UI
Date Fri, 20 Apr 2018 21:04:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446334#comment-16446334
] 

Tomás Fernández Löbbe edited comment on SOLR-8207 at 4/20/18 9:04 PM:
----------------------------------------------------------------------

Thanks for working on this [~janhoy]. Since the title in this Jira is pretty open, I'd like
to take the opportunity to express my wishes :) (maybe some of these deserve their own Jiras):

* I’d like the controls in the Graph section to be on top (only at the top or maybe duplicated).
Every time I want to use some of the nice filters the UI offers like “Show me degraded collections”
I need to scroll to the bottom, do the change, and then scroll up to start looking at the
results of my filter. This can be a lot of scrolling if you have collections with many shards
and many replicas.
* I’d like to have a “refresh” button, or some way to update the view with the latest
real information, otherwise you can only refresh the page, which drops the filters (this is
already SOLR-11559, but putting it here for completeness)
* I’d like to be able to link to a specific filter (i.e. I want to share a link to the cloud
tab but that shows a specific collection that I filtered by name). Right now the filters can’t
take parameters from the URL I believe.
* I’d like to be able to display more information of the replicas/shards than just ip:port
and replica state (this is SOLR-11558)
* Similar to the filters in the Graph tab, I’d like to be able to link to a specific znode
in the tree (or be able to reload the page and remain on the same znode in the UI)
* It would be nice to have an Overseer stats page in the Cloud section, showing some of the
data returned by OVERSEERSTATUS

Also :
+1 to s/Graph/Collections/
+1 to remove the Dump section
+1 to remove the Graph (Radial) section


was (Author: tomasflobbe):
Thanks for working on this [~janhoy]. Since the title in this Jira is pretty open, I'd like
to take the opportunity to express my wishes :) (maybe some of these deserve their own Jiras):

* I’d like the controls in the Graph section to be on top (only at the top or maybe duplicated).
Every time I want to use some of the nice filters the UI offers like “Show me degraded collections”
I need to page to the bottom, do the change, and then scroll up to start looking at the results
of my filter. This can be a lot of scrolling if you have collections with many shards and
many replicas.
* I’d like to have a “refresh” button, or some way to update the view with the latest
real information, otherwise you can only refresh the page, which drops the filters (this is
already SOLR-11559, but putting it here for completeness)
* I’d like to be able to link to a specific filter (i.e. I want to share a link to the cloud
tab but that shows a specific collection that I filtered by name). Right now the filters can’t
take parameters from the URL I believe.
* I’d like to be able to display more information of the replicas/shards than just ip:port
and replica state (this is SOLR-11558)
* Similar to the filters in the Graph tab, I’d like to be able to link to a specific znode
in the tree (or be able to reload the page and remain on the same znode in the UI)
* It would be nice to have an Overseer stats page in the Cloud section, showing some of the
data returned by OVERSEERSTATUS

Also :
+1 to s/Graph/Collections/
+1 to remove the Dump section
+1 to remove the Graph (Radial) section

> 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: Jan Høydahl
>            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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