wuyunfeng commented on issue #940: LUCENE-9002: Query caching leads to absurdly slow queries URL: https://github.com/apache/lucene-solr/pull/940#issuecomment-542227509 @jgq2008303393 I guess you don's get my point, compound query cache sub-clause just because the compound query call the `IndexSearcher#createWeight`, then the default `createWeight` cache the sub-clause. ``` public Weight createWeight(Query query, ScoreMode scoreMode, float boost) throws IOException { final QueryCache queryCache = this.queryCache; Weight weight = query.createWeight(this, scoreMode, boost); if (scoreMode.needsScores() == false && queryCache != null) { weight = queryCache.doCache(weight, queryCachingPolicy); } return weight; } ``` If the compound query just `createWeight` and do not cache the sub-clause, this problem maybe not happend?
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