Adrien Grand created LUCENE-10487:
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Summary: Can IndexSearcher enable search concurrency by default?
Key: LUCENE-10487
URL: https://issues.apache.org/jira/browse/LUCENE-10487
Project: Lucene - Core
Issue Type: Task
Reporter: Adrien Grand
IndexSearcher has the ability to search an index using multiple threads, but
this behavior is an opt-in. Could we enable it by default so that:
- Users experience better latency out-of-the-box.
- Lucene performs better in comparative benchmarks against other engines that
leverage multiple threads by default.
Note that this isn't totally straightforward to implement, as we'd need to
share the threadpool across all index searchers and think of when to shut down
this threadpool?
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