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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-5636) SegmentCommitInfo continues to list unneeded gen'd files
Date Thu, 01 May 2014 18:37:15 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-5636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shai Erera updated LUCENE-5636:
-------------------------------

    Attachment: LUCENE-5636.patch

Patch improves the test to expose the bug.

> SegmentCommitInfo continues to list unneeded gen'd files
> --------------------------------------------------------
>
>                 Key: LUCENE-5636
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5636
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/index
>            Reporter: Shai Erera
>            Assignee: Shai Erera
>            Priority: Critical
>         Attachments: LUCENE-5636.patch
>
>
> I thought I handled it in LUCENE-5246, but turns out I didn't handle it fully. I'll upload
a patch which improves the test to expose the bug. I know where it is, but I'm not sure how
to fix it without breaking index back-compat. Can we do that on experimental features?
> The problem is that if you update different fields in different gens, the FieldInfos
files of older gens remain referenced (still!!). I open a new issue since LUCENE-5246 is already
resolved and released, so don't want to mess up our JIRA...
> The severity of the bug is that unneeded files are still referenced in the index. Everything
still works correctly, it's just that .fnm files are still there. But as I wrote, I'm still
not sure how to solve it without requiring apps that use dv updates to reindex.



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