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(minor performance) Reduce GC churn in index

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Viktor Lofgren 2023-09-24 12:12:08 +02:00
parent cd12f49fc0
commit 028b5a4f0d
1 changed files with 4 additions and 1 deletions
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code/services-core/index-service/src/main/java/nu/marginalia/index/svc/IndexQueryService.java
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@ -159,8 +159,11 @@ public class IndexQueryService {
* <br> * <br>
* Then the results are combined. * Then the results are combined.
* */ * */
private final ThreadLocal<TLongArrayList> resultsArrayListPool = ThreadLocal.withInitial(TLongArrayList::new);
private TLongList evaluateSubqueries(SearchParameters params) { private TLongList evaluateSubqueries(SearchParameters params) {
final TLongArrayList results = new TLongArrayList(params.fetchSize); final TLongArrayList results = resultsArrayListPool.get();
results.resetQuick();
results.ensureCapacity(params.fetchSize);
// These queries are various term combinations // These queries are various term combinations
for (var subquery : params.subqueries) { for (var subquery : params.subqueries) {