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https://issues.apache.org/jira/browse/LUCENE-5954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579499#comment-14579499
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ASF subversion and git services commented on LUCENE-5954:
---------------------------------------------------------
Commit 1684514 from [~mikemccand] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1684514 ]
LUCENE-5954: write oldest segment version, and segments_N version, in the
segments file
> Store lucene version in segment_N
> ---------------------------------
>
> Key: LUCENE-5954
> URL: https://issues.apache.org/jira/browse/LUCENE-5954
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Ryan Ernst
> Assignee: Michael McCandless
> Fix For: Trunk, 5.3
>
> Attachments: LUCENE-5954.patch, LUCENE-5954.patch
>
>
> It would be nice to have the version of lucene that wrote segments_N, so that
> we can use this to determine which major version an index was written with
> (for upgrading across major versions). I think this could be squeezed in
> just after the segments_N header.
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