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https://issues.apache.org/jira/browse/HDDS-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857336#comment-16857336
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Elek, Marton commented on HDDS-1521:
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Hopefully you don't mind, but I would like to rename the issue back to the
original.
You updated the issue which is reported by me without any consensus:
* From: Use more natural directory structure for ozone
* To: Use Filesystem Hierarchy Standard directory structure for ozone
I think the new title says the opposite.
> Use Filesystem Hierarchy Standard directory structure for ozone
> ---------------------------------------------------------------
>
> Key: HDDS-1521
> URL: https://issues.apache.org/jira/browse/HDDS-1521
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Elek, Marton
> Priority: Major
>
> The conversation of the current ozone directory structure is started here:
> HDDS-1458
> By [~eyang]
> {quote}The proposal is to generate test artifacts in
> ozone-[version]/share/ozone/tests for fault injection test framework in
> release binary tarball.
> {quote}
> By [~anu]:
> {quote}Let us drop the share and make it tests/blockade, and tests/smoketests
> etc. That way, all tests that we ship can be found easily. Otherwise I am +1
> on this change.
> {quote}
> By [~elek]
> {quote}I agree with Anu. I think It's time to revisit the current structure
> of ozone distribution tar files. The original structure is inherited from
> HADOOP-6255 which is defined for a project which includes multiple subproject
> (hadoop, yarn,...) and should support the creation of different RPM package
> from the same tar. I think for ozone we can improve the usability with
> reorganizing the dirs to a better structure.
> But I am fine to do it in a separated jira and keep it in the share/test
> until that to make progress.
> {quote}
> By [~eyang]
> {quote}The reason for HADOOP-6255 was more than just RPM packaging. The
> motivation behind the reorganization was to make a directory structure that
> can work as standalone tarball as well as follow the general guideline for
> [Filesystem Hierarchy
> Standard|https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard]. This
> was proposed because a several people saw the need to make the structure more
> unix like for sharing dependencies for larger eco-system to work. This is the
> reason that Hadoop HDFS, Mapreduce have good integration between projects to
> reduce shell script bootstrap cost. Earlier version of YARN did not follow
> the conventional wisdom and it was hard to integrate with rest of Hadoop,
> YARN community struggled on classpath issue for at least 2+ years and the
> time to hype YARN framework had already passed. Given there is a high
> probability that we want to make ozone as universal as possible for
> applications to integrate with us. It given us more incentive to make the
> structure as flexible as possible. This is only a advice from my own past
> scaring. There are no perfect solution, but the conventional wisdom usually
> have endure test of time and save energy.
> {quote}
> I propose the following method:
> # Start an independent discussion, let's don't mix this question with
> HDDS-1458 and don't block it.
> # Let's propose a more use friendly directory structure first
> # Let's ask [~eyang] to defined _technical_ problems regarding to the
> proposal.
> There are two different view here:
> # Technical limitations which were mentioned earlier
> # Theoretical questions (do we need to have the same structure for core
> Hadoop and Ozone packages)
> I propose to start the discussion with the first one.
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