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https://issues.apache.org/jira/browse/BEAM-12534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17522471#comment-17522471
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Kenneth Knowles commented on BEAM-12534:
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Reading this more deeply, I actually don't really agree with the XDG doc. Is
this widespread? They want to organize things by type, an approach which is by
nature subjective, ever-changing, and non-exhaustive. Organizing files by
product or piece of software on the other hand is unambiguous, objective, and
stable.
> Support the XDG Base Directory Specification
> --------------------------------------------
>
> Key: BEAM-12534
> URL: https://issues.apache.org/jira/browse/BEAM-12534
> Project: Beam
> Issue Type: Wish
> Components: cross-language, runner-core
> Affects Versions: 2.30.0
> Environment: Linux
> Reporter: Ignacio Taranto
> Priority: P3
>
> Currently on Linux, Apache Beam puts it's cache under *~/.apache_beam/cache*
> which is not nice for the user since it clutters he's/she's home directory.
> I would suggest adding support for the [XDG Base Directory
> Specification|https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html]
> which basically states that:
> * Cache files under go under *$XDG_CACHE_HOME* (*$HOME/.cache* if
> *XDG_CACHE_HOME* is not defined).
> * Configuration files go under *$XDG_CONFIG_HOME* (with *$HOME/.config* if
> *XDG_CONFIG_HOME* is not defined)
> * User data files go under *$XDG_DATA_HOME* (*$HOME/.local/share* if
> *XDG_DATA_HOME* is not defined)
> In the case of Apache Beam the paths would be:
> * *$XDG_CACHE_HOME/apache_beam*
> * *$XDG_CONFIG_HOME/apache_beam*
> * *$XDG_DATA_HOME/apache_beam*
> This allow for easier backups and not cluttering the user's home directory
> with application files.
> I know that the separation in this 3 categories require some refactor, but at
> least moving *$HOME/.apache_beam* to *$HOME/.local/share/apache_beam* would
> be a _huge_ improvement.
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