Package org.apache.lucene.index
Class IndexWriter.IndexReaderWarmer
- java.lang.Object
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- org.apache.lucene.index.IndexWriter.IndexReaderWarmer
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- Enclosing class:
- IndexWriter
public abstract static class IndexWriter.IndexReaderWarmer extends Object
IfIndexWriter.getReader()
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.- WARNING: This API is experimental and might change in incompatible ways in the next release.
NOTE: warm is called before any deletes have been carried over to the merged segment.
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Constructor Summary
Constructors Constructor Description IndexReaderWarmer()
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Method Detail
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warm
public abstract void warm(IndexReader reader) throws IOException
- Throws:
IOException
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