Merges the provided indexes into this index.

After this completes, the index is optimized.

The provided IndexReaders are not closed.

See {@link #AddIndexes(Directory[])} for details on transactional semantics, temporary free space required in the Directory, and non-CFS segments on an Exception.

See Also

IndexWriter Class | Lucene.Net.Index Namespace | IndexWriter.AddIndexes Overload List

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