If DirectoryReader#open(IndexWriter,boolean) has been called (ie, this writer is in near real-time mode), then after a merge completes, this class can be invoked to warm the reader on the newly merged segment, before the merge commits. this is not required for near real-time search, but will reduce search latency on opening a new near real-time reader after a merge completes. @lucene.experimental

NOTE: warm is called before any deletes have been carried over to the merged segment.

IndexWriter.IndexReaderWarmer Class Documentation
Exemple #1
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		public RavenIndexWriter(Directory d, Analyzer a, IndexDeletionPolicy deletionPolicy, IndexWriter.MaxFieldLength mfl, int maximumNumberOfWritesBeforeRecreate, IndexWriter.IndexReaderWarmer indexReaderWarmer)
		{
			directory = d;
			analyzer = a;
			indexDeletionPolicy = deletionPolicy;
			maxFieldLength = mfl;
		    _indexReaderWarmer = indexReaderWarmer;
			this.maximumNumberOfWritesBeforeRecreate = maximumNumberOfWritesBeforeRecreate;

			RecreateIfNecessary();
		}
Exemple #2
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		public RavenIndexWriter(Directory d, Analyzer a, IndexDeletionPolicy deletionPolicy, IndexWriter.MaxFieldLength mfl, int maximumNumberOfWritesBeforeRecreate, IndexWriter.IndexReaderWarmer indexReaderWarmer)
		{
			directory = d;
			analyzer = a;
			indexDeletionPolicy = deletionPolicy;
			maxFieldLength = mfl;
		    _indexReaderWarmer = indexReaderWarmer;
			this.maximumNumberOfWritesBeforeRecreate = maximumNumberOfWritesBeforeRecreate;

			forceCommitDoc = new Document();
			forceCommitDoc.Add(forceCommitField);

			RecreateIfNecessary(force: true);
		}