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From "Amrit Sarkar (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-10147) Admin UI -> Cloud -> Graph: Impossible to see shard state
Date Sun, 19 Feb 2017 13:57:44 GMT

    [ https://issues.apache.org/jira/browse/SOLR-10147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15873704#comment-15873704
] 

Amrit Sarkar edited comment on SOLR-10147 at 2/19/17 1:57 PM:
--------------------------------------------------------------

Mr. Høydahl,

I like the idea of using color on shards, may "blue" for inactive and the default (empty circle)
for the active shards but we can leave the replicas as it is. I completely understand that
would be somehow not suited to the eyes, less human-readable but for an inactive shard, there
will be a leader and the nodes will have their own state (active,down,recovering) which will
not be serving requests.

Let me know your thoughts, along with feedback from others, I would like to write the patch
for this after we decide on what we need.


was (Author: sarkaramrit2@gmail.com):
Mr. Høydahl,

I like the idea of using color on shards, may "red" for inactive and the default (empty circle)
for the active shards but we can leave the replicas as it is. I completely understand that
would be somehow not suited to the eyes, less human-readable but for an inactive shard, there
will be a leader and the nodes will have their own state (active,down,recovering) which will
not be serving requests.

Let me know your thoughts, along with feedback from others, I would like to write the patch
for this after we decide on what we need.

> Admin UI -> Cloud -> Graph: Impossible to see shard state
> ---------------------------------------------------------
>
>                 Key: SOLR-10147
>                 URL: https://issues.apache.org/jira/browse/SOLR-10147
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Admin UI
>            Reporter: Jan Høydahl
>
> Currently in the Cloud -> Graph view there is a legend with color codes, but that
is for replicas only.
> We need a way to quickly see the state of the shard, in particular if it is active or
inactive. For testing, create a collection, then call SPLITSHARD on shard1, and you'll end
up with shards {{shard1}}, {{shard1_0}} and {{shard1_1}}. It is not possible to see which
one is active or inactive.
> Also, the replicas belonging to the inactive shard are still marked with green "Active",
while in reality they are "Inactive".
> The simplest would be to add a new state "Inactive" with color e.g. blue, which would
be used on both shard and replica level. But since an inactive replica could also be "Gone"
or "Down", there should be some way to indicate both at the same time...



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