Shai Erera created LUCENE-4575:
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Summary: 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
Priority: Minor
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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