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https://issues.apache.org/jira/browse/LUCENE-4575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610472#comment-13610472
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Commit Tag Bot commented on LUCENE-4575:
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[branch_4x commit] Shai Erera
http://svn.apache.org/viewvc?view=revision&revision=1416367
LUCENE-4575: add IndexWriter.setCommitData
> Allow IndexWriter to commit, even just commitData
> -------------------------------------------------
>
> Key: LUCENE-4575
> URL: https://issues.apache.org/jira/browse/LUCENE-4575
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/index
> Reporter: Shai Erera
> Assignee: Shai Erera
> Priority: Minor
> Fix For: 4.1, 5.0
>
> Attachments: LUCENE-4575.patch, LUCENE-4575.patch, LUCENE-4575.patch,
> LUCENE-4575-testcase.patch
>
>
> Spinoff from here
> http://lucene.472066.n3.nabble.com/commit-with-only-commitData-td4022155.html.
> In some cases, it is valuable to be able to commit changes to the index, even
> if the changes are just commitData. Such data is sometimes used by
> applications to register in the index some global application
> information/state.
> The proposal is:
> * Add a setCommitData() API and separate it from commit() and prepareCommit()
> (simplify their API)
> * When that API is called, flip on the dirty/changes bit, so that this gets
> committed even if no other changes were made to the index.
> I will work on a patch a post.
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