[3.3] Replace ConcurrentHashMap#computeIfAbsent for performance improvement and prevention of deadlock#15456

zrlw merged 2 commits intoapache:3.3apache/dubbo:3.3from

zrlw:3.3-Optimized-useConcurrentHashMapUtils2AvoidDeadlockzrlw/dubbo:3.3-Optimized-useConcurrentHashMapUtils2AvoidDeadlockCopy head branch name to clipboard