[jira] [Commented] (EAGLE-868) Refactor metric chart render process to improve user experience.

["Chang chen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/EAGLE-868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15823522#comment-15823522 ] 

Chang chen commented on EAGLE-868:
----------------------------------

[~haoch], let me know the priority, I don't think we can fix this issue by end of Jan. 20

> Refactor metric chart render process to improve user experience.
> ----------------------------------------------------------------
>
>                 Key: EAGLE-868
>                 URL: https://issues.apache.org/jira/browse/EAGLE-868
>             Project: Eagle
>          Issue Type: Sub-task
>          Components: Hadoop JMX Monitor, Web UI
>            Reporter: Hao Chen
>            Assignee: Chang chen
>            Priority: Minor
>             Fix For: v0.5.0
>
>
> *Problem*
> Currently when initially loading hbase metric page, there will be relatively long time that the whole metric dashboard is blank, then all charts and data are rendered at same time.
> *Improvements*
> * Refactor the metric load logic to : Load metric chart config -> show metric chart placeholder (show blank chart with no data) and show "data loading icon" for each chart one by one -> load metric data query for each chart -> reader metric data into metric chart when response returned and remove "data loading icon" one by one.
> * Add "loading-in-progress icon" with appropriate description during any long-time actions.



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