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https://issues.apache.org/jira/browse/ACCUMULO-407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221449#comment-13221449
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Josh Elser commented on ACCUMULO-407:
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0. Sorry, John. I saw I had borked the patch earlier this week but hadn't taken
the time to push a new one.
1-3. I don't think we know what exactly the best logging management solution is
given the amount of chatter I see above. So, I concur with you John: a complete
solution isn't ready for 1.4.0. However, I do believe that the
$ACCUMULO_HOME/conf/generic_logger.xml should be auto-reloaded with the
configureAndWatch. It is highly undesirable to leave verbose iterator logging
enabled on a multi-user system, but at the same time, it's also a non-starter
to have to bounce Accumulo to get those verbose logging statements when trying
to debug some unknown issue.
IMO, the best short term solution would be to merge the
DOMConfigurator.configureAndWatch(logConfig, 5000) change into the 1.4 (and
thus 1.4.0), and then decide what the best action to take would be for
1.4.1+/1.5.
> Look into on the fly log4j configuration
> ----------------------------------------
>
> Key: ACCUMULO-407
> URL: https://issues.apache.org/jira/browse/ACCUMULO-407
> Project: Accumulo
> Issue Type: Improvement
> Affects Versions: 1.4.0
> Reporter: John Vines
> Assignee: Josh Elser
> Fix For: 1.4.0
>
> Attachments: ACCUMULO-407-auto-reload-log4j.patch
>
>
> For long running systems, logs may not want to be kept at the debug level
> 24/7. But there may be times where a single long query may be want to looked
> into without cycling the entire systems. We think it may be possible to make
> log4j configurable on fly, so lets start by looking into how difficult it
> will be.
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