jpountz commented on a change in pull request #904: LUCENE-8992: Share minimum
score across segment in concurrent search
URL: https://github.com/apache/lucene-solr/pull/904#discussion_r333550816
##########
File path: lucene/core/src/java/org/apache/lucene/search/TopFieldCollector.java
##########
@@ -318,19 +350,41 @@ private TopFieldCollector(FieldValueHitQueue<Entry> pq,
int numHits,
scoreMode = needsScores ? ScoreMode.COMPLETE :
ScoreMode.COMPLETE_NO_SCORES;
canSetMinScore = false;
}
+ this.minScoreAcc = minScoreAcc;
}
@Override
public ScoreMode scoreMode() {
return scoreMode;
}
+ protected void updateGlobalMinCompetitiveScore(Scorable scorer) throws
IOException {
+ assert minScoreAcc != null;
+ if (canSetMinScore
+ && hitsThresholdChecker.isThresholdReached()) {
+ MaxScoreAccumulator.Result maxMinScore = minScoreAcc.get();
+ if (maxMinScore != null && maxMinScore.score > minCompetitiveScore) {
+ scorer.setMinCompetitiveScore(maxMinScore.score);
+ minCompetitiveScore = maxMinScore.score;
+ totalHitsRelation = TotalHits.Relation.GREATER_THAN_OR_EQUAL_TO;
+ }
+ }
+ }
+
protected void updateMinCompetitiveScore(Scorable scorer) throws IOException
{
- if (canSetMinScore && hitsThresholdChecker.isThresholdReached() &&
queueFull) {
+ if (canSetMinScore
+ && hitsThresholdChecker.isThresholdReached()
+ && queueFull) {
Review comment:
shouldn't we be able to use min competitive scores from other threads even
if our own queue is not full yet?
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