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https://issues.apache.org/jira/browse/IMPALA-8860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17129682#comment-17129682
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ASF subversion and git services commented on IMPALA-8860:
---------------------------------------------------------

Commit ad8f468871d3a893bf4c7b702025ec70765ce8e1 in impala's branch 
refs/heads/master from Zoltan Garaguly
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=ad8f468 ]

IMPALA-8860: Improve /log_level usability on WebUI

Add glog level fetching logic and fetch glog level on every request
which allows:
 - showing glog level on page load/reload
 - showing current glog level in "Log level" combo box
 - showing current glog level in text format

Add log4j log levels fetching logic and fetch all java class log levels
on every request:
 -  log4j levels for all java classes previously set are shown on page
    as a list, fetching of individual class log levels not needed
    anymore

Page layout standardization:
 - glog/log4j part has similar layout
 - using terms of frontend/backend logs

Change-Id: I2fbf2ef21f4af297913a4e9b16a391768624da33
Reviewed-on: http://gerrit.cloudera.org:8080/15903
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>


> Improve /log_level usability on WebUI
> -------------------------------------
>
>                 Key: IMPALA-8860
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8860
>             Project: IMPALA
>          Issue Type: Improvement
>    Affects Versions: Impala 3.2.0
>            Reporter: Tamas Mate
>            Assignee: Zoltán Garaguly
>            Priority: Minor
>              Labels: ramp-up, usability
>         Attachments: current_webui_log_level.png, 
> proposed-webui-log-level-1.png, proposed-webui-log-level.png
>
>
> Some improvements that could make the /log_level page more intuitive.
>  - The current log level configurations could be printed when the page is 
> loaded.
>  ** The glog level disappears after page reload.
>  ** The 'Get Java Log Level' is inconvenient to use.
>  - The titles/naming could be more consistent, for example currently "Change 
> Java log level" and "Change backend logging level", could be frontend&backend.



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