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https://issues.apache.org/jira/browse/CRAIL-11?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383415#comment-16383415
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Radu Stoica commented on CRAIL-11:
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I like the idea to be able to set parameters from the command line. It would be
very nice for trying a new parameter value quickly or for scripting.
At the same time, having environment variables in the conf file is also nice to
have for two reasons at least: a) we can set default parameters such as
"crail.user $ USER", and b) it is easier to put all environment variables in a
file than pack everything on the command line.
Spark also allows setting configuration parameters from the command line with
-conf so having this option would not be surprising. I think Hadoop also allows
using environment variables so having this would also be similar.
> Enable environment variable expansion in crail-site.conf
> --------------------------------------------------------
>
> Key: CRAIL-11
> URL: https://issues.apache.org/jira/browse/CRAIL-11
> Project: Apache Crail
> Issue Type: Improvement
> Reporter: Radu Stoica
> Priority: Trivial
>
> The idea is to allow using environment variables in crail-site.conf to allow
> more flexibility when deploying Crail.
> Pull request: https://github.com/apache/incubator-crail/pull/7
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