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https://issues.apache.org/jira/browse/YUNIKORN-2760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17866197#comment-17866197
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Chia-Ping Tsai commented on YUNIKORN-2760:
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[~ccondit] thanks for your quick response!

{quote}

 I think it needlessly pollutes the tools dir with multiple versions that won't 
get cleaned up. 

{quote}

Those new folders are still included by `make distclean`. Hence, this change 
won't generate orphan tools if we expect `make distclean` should be executed.

{quote}
The reality is, any time dependencies change 'make distclean' should be run. 
This includes not only tooling but library version updates.
[|https://issues.apache.org/jira/secure/EditComment!default.jspa?id=13585878&commentId=17866196]
{quote}
 
The "reality" is what concerns me. Being aware of dependencies change should be 
handled by script rather than human eyes :)
 
At any rate, the structure changes can bring some minor (or trivial) 
improvement, but the cost is to increase the trivial (or minor) complexity. 
BTW, a possible benefit is that we don't need to re-download all tools if we 
want to run tests with specific version. For example: spark
 
 

> `make tools` should check the version of tools
> ----------------------------------------------
>
>                 Key: YUNIKORN-2760
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2760
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>            Reporter: Chia-Ping Tsai
>            Priority: Major
>
> Makefile, by default, checks only the existence of file. Hence, developers 
> need to remove tools folder (or call `make distclean`) manually to trigger 
> the installation after we update the version of tools.
> However, how developers can be aware of the tools updates? Personally, I 
> smell fishy from the error of warning, but that could be implicit and noisy 
> :cry
> In order to fix that, I'd like to introduce the new folder structure to tools 
> folder: 
> {code:java}
> /tools/{tool_name}/{version}
> {code}
>  That offers a unique path to each version of tool. Developers will not miss 
> the updates anymore.
> NOTED: we need to remove the existent tool binary if there is naming conflict 
> in creating the new path. For example, creating /tools/golangci-lint/1.57.2 
> will fail if /tools/golangci-lint is a existent file.



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