- Direct Known Subclasses:
- Enclosing class:
public abstract static class IndexWriter.IndexReaderWarmer extends ObjectIf
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.
All Methods Instance Methods Abstract Methods Modifier and Type Method Description
warm(AtomicReader reader)Invoked on the
AtomicReaderfor the newly merged segment, before that segment is made visible to near-real-time readers.