Class IndexWriter.IndexReaderWarmer

java.lang.Object
org.apache.lucene.index.IndexWriter.IndexReaderWarmer
Direct Known Subclasses:
SimpleMergedSegmentWarmer
Enclosing class:
IndexWriter

public abstract static class IndexWriter.IndexReaderWarmer extends Object
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.
  • Constructor Details

    • IndexReaderWarmer

      protected IndexReaderWarmer()
      Sole constructor. (For invocation by subclass constructors, typically implicit.)
  • Method Details