bug 45266; needs parallel changes to lucene_search_2

See Change id: I31bde27a7a64e0d9fff340843f56fe6c6d8a322a
Restore original oaiChunkSize value; use TABs for indentation.

Change-Id: I07d5c2cedcd7550505b53d380d13111bd83e3216
Merge "bug 45266; needs parallel changes to lucene_search_2"