[jira] [Resolved] (AMBARI-8350) Usability: confusing typeahead widget for host selection when there are more than 25 hosts in the cluster

["Oleg Nechiporenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-8350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oleg Nechiporenko resolved AMBARI-8350.
---------------------------------------
    Resolution: Fixed

Committed to trunk.

> Usability: confusing typeahead widget for host selection when there are more than 25 hosts in the cluster
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-8350
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8350
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.0.0
>            Reporter: Oleg Nechiporenko
>            Assignee: Oleg Nechiporenko
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-8350.patch
>
>
> When there are more than 25 hosts in the cluster, the host selection pulldown turns into a type-ahead text field.
> This is a common widget that is used for various pages like Installer > Assign Masters, Move > Select Target Host, etc.
> The problem is that if you copy paste the hostname directly, the UI shows RED .  The user has to know to click or hit enter on the suggested hostname (which is the same as the user pasted in but with RAM and # cores.  Also, when the user makes this selection, the text field shows RAM & # cores.  
> 1. It should just work if the user copy pastes a valid hostname
> 2. Once a selection is made from type ahead, the text field value should NOT include RAM & # cores.



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