optimize: Caching the ConsistentHashSelector to avoid remapping when select every time. #7072
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…select every time.
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Caching the ConsistentHashSelector to avoid remapping when select every time.
Ⅰ. Describe what this PR did
Caching the ConsistentHashSelector to avoid remapping when select every time.
Ⅱ. Does this pull request fix one issue?
Ⅲ. Why don't you add test cases (unit test/integration test)?
Ⅳ. Describe how to verify it
Ⅴ. Special notes for reviews