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https://issues.apache.org/jira/browse/FALCON-1308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011325#comment-15011325
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Ajay Yadava commented on FALCON-1308:
-------------------------------------

I am in favor of introducing namespaces but would like to propose slightly 
different namespaces.
{noformat}falcon.* for system properties and no namespace prefix for 
user-supplied properties.{noformat}

I find this convention concise and no namespace for user properties will ensure 
sort of backward compatibility with older properties being defined.

> Allow namespace-ing of custom properties in the entity specification
> --------------------------------------------------------------------
>
>                 Key: FALCON-1308
>                 URL: https://issues.apache.org/jira/browse/FALCON-1308
>             Project: Falcon
>          Issue Type: Improvement
>          Components: common
>            Reporter: Pallavi Rao
>            Priority: Blocker
>
> There are some Falcon system properties that are supplied as custom 
> properties in the Entity definition. Ideally, we should prefix these with 
> "falcon.system" to distinguish them from user-supplied properties.
> Currently, we cannot have property names that have '.' in them as the Commons 
> CLI (OptionValidator) rejects such names.



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