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https://issues.apache.org/jira/browse/LUCENE-7749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-7749:
---------------------------------
Attachment: LUCENE-7749.patch
I went ahead and worked on a patch to have it for 6.5.1 in time.
> IndexOrDocValuesQuery not working with LRUQueryCache (?)
> --------------------------------------------------------
>
> Key: LUCENE-7749
> URL: https://issues.apache.org/jira/browse/LUCENE-7749
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Martin Amirault
> Priority: Minor
> Attachments: LUCENE-7749.patch
>
>
> I was experimenting with 6.5.0-SNAPSHOT and could not see any performance
> improvement using the new IndexOrDocValuesQuery where I would have expected
> some.
> I am using a basic FILTER query (term + point/dv range), along with
> IndexSearcher#search.
> Looking at the stack trace it seems that LRUQueryCache#CachingWrapperWeight
> not delegating the scorerSupplier method is the reason.
> Maybe it is on purpose for the result to be cacheable ? Does that mean
> IndexOrDocValuesQuery is not useable with the default IndexSearcher cache ?
> (Or maybe am I just completely misusing the IndexOrDocValuesQuery feature ?)
> Here is a thread dump of the call to IndexOrDocValuesQuery#scorerSupplier
> {quote}
> at
> org.apache.lucene.search.IndexOrDocValuesQuery$1.scorerSupplier(IndexOrDocValuesQuery.java:148)
> at
> org.apache.lucene.search.IndexOrDocValuesQuery$1.scorer(IndexOrDocValuesQuery.java:168)
> at
> org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:746)
> at org.apache.lucene.search.Weight.scorerSupplier(Weight.java:126)
> at
> org.apache.lucene.search.BooleanWeight.scorerSupplier(BooleanWeight.java:400)
> at
> org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:381)
> at org.apache.lucene.search.Weight.bulkScorer(Weight.java:160)
> at
> org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:375)
> at
> org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.cache(LRUQueryCache.java:704)
> at
> org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:787)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:666)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:473)
> {quote}
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