Jun Liu created DUBBO-19:
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             Summary: Metadata refactor
                 Key: DUBBO-19
                 URL: https://issues.apache.org/jira/browse/DUBBO-19
             Project: Apache Dubbo
          Issue Type: Improvement
            Reporter: Jun Liu


* The registry center should only store and notify necessary data that needs to 
be passed between providers and consumers, for example host, port, 
serialization type, etc.
 * Non-essential data should stored separately and further enriched, these data 
usually by offline OPS systems for display purpose.
 * Solve the "Full GC" problem caused by large scale services and url 
redundancy when provider list notification were triggered.
 * Design a new runtime metadata storage structure (or reuse the current URL), 
properly intact with dynamic configuration center.



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