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Posted to issues-all@impala.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2019/01/04 21:53:00 UTC
[jira] [Commented] (IMPALA-6521) Hidden flags should show up in
/varz and should be printed in the logs during startup
[ https://issues.apache.org/jira/browse/IMPALA-6521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16734605#comment-16734605 ]
ASF subversion and git services commented on IMPALA-6521:
---------------------------------------------------------
Commit a954d5443a613e746f04da9766e77a7a4ea8ce72 in impala's branch refs/heads/master from Fredy Wijaya
[ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=a954d54 ]
IMPALA-6521: Show experimental flags in /varz and log files
This patch shows the experimental flags when set in /varz by adding
a new "Experimental" column in /varz web page. The patch also updates
the log files to show experimental flags when set.
Testing:
- Added a new test for /varz web page
- Manually looked at the log files and /varz web page with experimental
flags set
Change-Id: Ic13b2694b445059e7e52c1ae56bd7e0e925fbb0e
Reviewed-on: http://gerrit.cloudera.org:8080/12152
Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
> Hidden flags should show up in /varz and should be printed in the logs during startup
> -------------------------------------------------------------------------------------
>
> Key: IMPALA-6521
> URL: https://issues.apache.org/jira/browse/IMPALA-6521
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 2.12.0
> Reporter: Lars Volker
> Assignee: Fredy Wijaya
> Priority: Major
> Labels: ramp-up, supportability
> Fix For: Impala 3.2.0
>
>
> Flags can be defined as hidden, which hides them from the help output. However, they are also hidden from /varz and from the logs during startup. This seems contradictory; we should make sure that we log it if a user enables a hidden flag / feature.
> We could even consider adding a warning to the log and to the main debug page if hidden / experimental features are enabled.
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