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https://issues.apache.org/jira/browse/LUCENE-6829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949608#comment-14949608
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Robert Muir commented on LUCENE-6829:
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and we always have the option of our own simple "temp file logic" that just
uses StandardOpenOption.CREATE_NEW to ensure its really unique. I think i like
this better...I don't think we have to worry about crazy security concerns like
someone guessing what the filename will be. And really we should be opening all
files with that flag anyway, its just that we don't yet today because files
aren't always write-once in exceptional cases.
> OfflineSorter should use Directory API
> --------------------------------------
>
> Key: LUCENE-6829
> URL: https://issues.apache.org/jira/browse/LUCENE-6829
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: Trunk, 5.4
>
> Attachments: LUCENE-6829.patch, LUCENE-6829.patch
>
>
> I think this is a blocker for LUCENE-6825, because the block KD-tree makes
> heavy use of OfflineSorter and we don't want to fill up tmp space ...
> This should be a straightforward cutover, but there are some challenges, e.g.
> the test was failing because virus checker blocked deleting of files.
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