jainankitk commented on PR #13599: URL: https://github.com/apache/lucene/pull/13599#issuecomment-2251568527
Memory profile:
BASELINE:
```
PROFILE SUMMARY from 78943 events (total: 98729M)
tests.profile.mode=heap
tests.profile.count=30
tests.profile.stacksize=1
tests.profile.linenumbers=false
PERCENT HEAP SAMPLES STACK
12.66% 12502M
org.apache.lucene.facet.taxonomy.TaxonomyFacets#initializeValueCounters()
10.17% 10044M
org.apache.lucene.codecs.lucene99.Lucene99PostingsReader$BlockDocsEnum#<init>()
6.61% 6523M org.apache.lucene.util.ArrayUtil#growExact()
6.32% 6241M org.apache.lucene.util.FixedBitSet#<init>()
4.79% 4726M org.apache.lucene.util.ArrayUtil#growNoCopy()
4.58% 4524M
org.apache.lucene.facet.FacetsConfig#stringToPath()
4.38% 4326M
org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts#countOneSegmentNHLD()
3.93% 3882M java.lang.StringUTF16#compress()
3.13% 3085M org.apache.lucene.util.BytesRef#utf8ToString()
2.67% 2637M
org.apache.lucene.codecs.lucene99.ForUtil#<init>()
2.53% 2499M
org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts#initializeCounts()
2.35% 2319M java.util.ArrayList#grow()
2.32% 2292M
org.apache.lucene.search.MaxScoreAccumulator#get()
1.95% 1926M
org.apache.lucene.search.ExactPhraseMatcher$1$1#getImpacts()
1.76% 1740M java.util.AbstractList#iterator()
1.71% 1685M
org.apache.lucene.util.DocIdSetBuilder$Buffer#<init>()
1.70% 1676M
org.apache.lucene.codecs.lucene90.blocktree.SegmentTermsEnumFrame#<init>()
1.52% 1497M org.apache.lucene.util.BytesRef#<init>()
1.36% 1338M
org.apache.lucene.util.fst.ByteSequenceOutputs#read()
1.18% 1168M java.util.ArrayList#iterator()
0.97% 961M
org.apache.lucene.search.ExactPhraseMatcher$1#getImpacts()
0.90% 884M java.lang.Long#valueOf()
0.81% 798M
jdk.internal.misc.Unsafe#allocateUninitializedArray()
0.76% 752M java.util.ArrayList#toArray()
0.73% 719M
jdk.internal.foreign.MappedMemorySegmentImpl#dup()
0.72% 714M
java.util.concurrent.locks.AbstractQueuedSynchronizer#acquire()
0.71% 696M java.util.Arrays#asList()
0.63% 619M java.lang.reflect.Array#newInstance()
0.60% 593M
org.apache.lucene.store.MemorySegmentIndexInput#buildSlice()
0.60% 593M org.apache.lucene.search.BooleanScorer#<init>()
```
CANDIDATE:
```
PROFILE SUMMARY from 78928 events (total: 98582M)
tests.profile.mode=heap
tests.profile.count=30
tests.profile.stacksize=1
tests.profile.linenumbers=false
PERCENT HEAP SAMPLES STACK
12.68% 12502M
org.apache.lucene.facet.taxonomy.TaxonomyFacets#initializeValueCounters()
10.16% 10013M
org.apache.lucene.codecs.lucene99.Lucene99PostingsReader$BlockDocsEnum#<init>()
6.32% 6231M org.apache.lucene.util.FixedBitSet#<init>()
6.24% 6155M org.apache.lucene.util.ArrayUtil#growExact()
4.97% 4896M
org.apache.lucene.facet.FacetsConfig#stringToPath()
4.78% 4711M org.apache.lucene.util.ArrayUtil#growNoCopy()
4.40% 4336M
org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts#countOneSegmentNHLD()
3.74% 3686M java.lang.StringUTF16#compress()
3.21% 3162M org.apache.lucene.util.BytesRef#utf8ToString()
2.70% 2665M
org.apache.lucene.codecs.lucene99.ForUtil#<init>()
2.54% 2500M
org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts#initializeCounts()
2.36% 2322M
org.apache.lucene.search.MaxScoreAccumulator#get()
2.18% 2148M java.util.ArrayList#grow()
1.98% 1951M
org.apache.lucene.search.ExactPhraseMatcher$1$1#getImpacts()
1.79% 1768M
org.apache.lucene.codecs.lucene90.blocktree.SegmentTermsEnumFrame#<init>()
1.77% 1741M
org.apache.lucene.util.DocIdSetBuilder$Buffer#<init>()
1.65% 1623M java.util.AbstractList#iterator()
1.51% 1491M org.apache.lucene.util.BytesRef#<init>()
1.41% 1388M
org.apache.lucene.util.fst.ByteSequenceOutputs#read()
1.11% 1095M java.util.ArrayList#iterator()
1.10% 1080M
jdk.internal.misc.Unsafe#allocateUninitializedArray()
0.96% 943M
org.apache.lucene.search.ExactPhraseMatcher$1#getImpacts()
0.84% 832M java.util.ArrayList#toArray()
0.83% 821M java.lang.Long#valueOf()
0.79% 777M
jdk.internal.foreign.MappedMemorySegmentImpl#dup()
0.75% 743M java.util.Arrays#asList()
0.71% 702M
java.util.concurrent.locks.AbstractQueuedSynchronizer#acquire()
0.65% 639M
org.apache.lucene.store.MemorySegmentIndexInput#buildSlice()
0.60% 594M java.lang.reflect.Array#newInstance()
0.60% 589M org.apache.lucene.search.BooleanScorer#<init>()
```
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