[GitHub] jainankitk opened a new pull request #563: Support for moving FST offheap except PK

[GitBox <gi...@apache.org>]

jainankitk opened a new pull request #563: Support for moving FST offheap except PK
URL: https://github.com/apache/lucene-solr/pull/563
 
 
   The change adds support for initializing FST offheap using mapped files during index open. To avoid impact on PKLookup performance, this change initializes FST offheap only if docCount != sumDocFreq (implying field is not PK) and indexInput isinstanceof ByteBufferIndexInput (implying MMapDirectory is being used). More details can be found in the issue below:
   
   https://issues.apache.org/jira/browse/LUCENE-8635

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