Severe search performance drop in case of sorting on ID fields
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Key: LUCENENET-109
URL: https://issues.apache.org/jira/browse/LUCENENET-109
Project: Lucene.Net
Issue Type: Bug
Reporter: Nitin Shiralkar
Severe search performance drop in case of sorting on ID fields. I am using a
lucene index where if I query for documents (500 result set) with sorting on
document date field, then I get a resposne in ~2000 ms. However for the same
query with sorting on Document Id field, then I get a response in ~4500 ms.
This drop in search performance is even more severe on larger index.
Lucene Index:
1. Document count: ~1000,000
2. Index size: > 8 GB
Search Query:
document_subtype:1.1201
Lucene Search API:
topDocs = indexSearcher.Search (userQuery, null, m_nMaximumRecordSetSize,
sortField );
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