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https://issues.apache.org/jira/browse/SOLR-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17305112#comment-17305112
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Jason Gerlowski edited comment on SOLR-15222 at 3/19/21, 6:41 PM:
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bq. Would it be possible to create the directory the first time someone tries
to upload a file to the "filestore"?
No, "userfiles" is a different location and mechanism from the
"blobstore"/"filestore". I think the latter has APIs for uploading files, etc.
but "userfiles" definitely doesn't. So there's no good place to add
lazy-creation logic here.
Similarly, SOLR-15268 isn't related. Afaict that ticket is about the
blobstore/filestore, and this issue is specific to "userfiles".
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In terms of how to tackle this issue, I'd vote for an option David mentioned in
his description: let's switch the features that use "userfiles" currently over
to using the blobstore. That sidesteps the eager/lazy creation question nicely
by removing the directory from Solr features entirely.
was (Author: gerlowskija):
bq. Would it be possible to create the directory the first time someone tries
to upload a file to the "filestore"?
No, "userfiles" is a different location and mechanism from the
"blobstore"/"filestore". I think the latter has APIs for uploading files, etc.
but "userfiles" definitely doesn't. So there's no good place to add
lazy-creation logic here.
Similarly, SOLR-15268 isn't related. Afaict that ticket is about the
blobstore/filestore, and this issue is specific to "userfiles".
> Solr should not auto-create the "userfiles" dir
> -----------------------------------------------
>
> Key: SOLR-15222
> URL: https://issues.apache.org/jira/browse/SOLR-15222
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Priority: Major
>
> The "userfiles" feature is relatively obscure and might be subsumed by the
> "file store". I don't think an obscure feature should be auto-creating its
> "userfiles" directory. Even a popular one; not sure it makes sense. If a
> user wants to use this feature, they are welcome to create the directory.
> Solr has other optional directories, like solr-home/lib that are not
> auto-created; it's not clear to me why this one is. I've found the
> auto-creation of this dir to be annoying in two ways. One is in Solr's tests
> – there are existing Jira issues that show stack traces about this even
> though it's ignored. Secondly is as a down-stream consumer for
> running/building Solr plugins that have a Solr home dir pointing somewhere
> that suddenly has this userfiles dir popping up despite me having no plans to
> use it.
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