perf(index): replace stats_mutex_ with lock-free atomic counter in WindowResultQueue#1721
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LHT129 wants to merge 2 commits intoantgroup:mainfrom
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perf(index): replace stats_mutex_ with lock-free atomic counter in WindowResultQueue#1721LHT129 wants to merge 2 commits intoantgroup:mainfrom
LHT129 wants to merge 2 commits intoantgroup:mainfrom
