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https://issues.apache.org/jira/browse/ATLAS-3610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mariusz Górski updated ATLAS-3610:
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Attachment: (was: ATLAS-3610.patch)
> Enable logging to multiple targets (logdir, stdout)
> ---------------------------------------------------
>
> Key: ATLAS-3610
> URL: https://issues.apache.org/jira/browse/ATLAS-3610
> Project: Atlas
> Issue Type: Improvement
> Components: atlas-core
> Affects Versions: 3.0.0
> Reporter: Mariusz Górski
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: ATLAS-3610.patch
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> *Problem description*
> When starting Atlas, Python scripts are invoked to spawn all necessary
> processes. This is achieved with the use of _subprocess.Popen()_ in
> _runProcess()_ function of _atlas_config.py_ script. While doing that, stdout
> is being redirected to log files, which (for java processes) can override
> log4j configuration (if configured with stdout handler). This creates
> situation when log4j configuration cannot be relied upon and prevents logging
> to stdout.
> *Proposed solution*
> * Add possibility to log to stdout by using multiple stdout/stderr handlers
> * Adjust _runProcess()_ function from _atlas_config.py_ script (and all
> functions relying on it) to provide _logconsole_ kwarg which will add
> additional handler to Popen stdout/stderr redirection
> * Add _ENABLE_LOGGING_TO_CONSOLE_ env variable (defaulting to _False_) for
> backwards compatibility.
> * Adjust _atlas_start.py_ script to make use of _ENABLE_LOGGING_TO_CONSOLE_
> and provide it in functions invoking atlas/solr/elasticsearch/zookeeper
> *Predicted Benefits*
> This improvement would bring the benefit of having single place where logging
> logic is defined (log4j config file) and enable logging to stdout, which
> could be very useful when running Atlas in docker container or in
> Kubernetes/OC, where some logging scraping is present.
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