Improve performance of CompositePropertySource#getPropertyNames
#27236
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Create LinkedHashSet with a initialCapacity, prevent underhood table resize cost in continuous add operations. Reduce bootstrap time in the situation with large properties.
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Create LinkedHashSet with a initialCapacity, prevent under the hood table resize cost in continuous add operations. Reduce bootstrap time in the case of large properties. See gh-27236
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CompositePropertySource#getPropertyNames
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Create LinkedHashSet with a initialCapacity, prevent underhood table resize cost in continuous add operations.
Reduce bootstrap time in the situation with large properties.
Micro-Benchmark
CompositePropertySourceBenchmarkresult (unit: ns/op):numberOfPropertySource: 5
numberOfPropertyNamesPerSource: 1000
numberOfPropertySource: 10
numberOfPropertyNamesPerSource: 1000