benwtrent commented on code in PR #15124:
URL: https://github.com/apache/lucene/pull/15124#discussion_r2359887434
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lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java:
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@@ -426,10 +425,8 @@ public void clear() {
}
private static long getRamBytesUsed(Query query) {
- return LINKED_HASHTABLE_RAM_BYTES_PER_ENTRY
- + (query instanceof Accountable accountableQuery
- ? accountableQuery.ramBytesUsed()
- : QUERY_DEFAULT_RAM_BYTES_USED);
+ long queryRamBytesUsed = RamUsageEstimator.sizeOf(query, 0);
+ return LINKED_HASHTABLE_RAM_BYTES_PER_ENTRY + queryRamBytesUsed;
Review Comment:
I wonder if the query cache should "cache" the query sizes? It seems we do
this more expensive calculation twice for no reason. Why not keep track of the
query size in the cache as well, only calculating when adding it?
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