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From "Shai Erera (JIRA)" <>
Subject [jira] [Created] (LUCENE-4575) Allow IndexWriter to commit, even just commitData
Date Mon, 26 Nov 2012 17:26:57 GMT
Shai Erera created LUCENE-4575:

             Summary: Allow IndexWriter to commit, even just commitData
                 Key: LUCENE-4575
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/index
            Reporter: Shai Erera
            Priority: Minor

Spinoff from here

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

* 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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