upgrade dubbo version to 2.7.7 #29
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dubbo 2.7.3 存在性能瓶颈。
org.apache.dubbo.config.ReferenceConfig#get 方法中,会调用org.apache.dubbo.config.ReferenceConfig#checkAndUpdateSubConfigs 方法,经过测试显示此方法每次调用时会花费较多的时间,不应当在每次调用get方法的时候都去调用此方法,而是应当在init方法中调用一次即可(在对象对创建时调用)。
升级dubbo版本到2.7.7可以解决此问题。