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https://issues.apache.org/jira/browse/SCB-2354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiang Wei updated SCB-2354:
---------------------------
    Issue Type: New Feature  (was: Improvement)

> Provide a flexible discovery filter based on instance property and filtering 
> with priority
> ------------------------------------------------------------------------------------------
>
>                 Key: SCB-2354
>                 URL: https://issues.apache.org/jira/browse/SCB-2354
>             Project: Apache ServiceComb
>          Issue Type: New Feature
>          Components: Java-Chassis
>            Reporter: Xiang Wei
>            Priority: Minor
>
> Right now servicecomb has nested _InstancePropertyDiscoveryFilter_ and 
> _ZoneAwareDiscoveryFilter_ discovery filters which can be used to distinguish 
> different type of instances, but none of these filters support filtering with 
> priority. 
> There is a project called 
> [KtEnv|https://github.com/alibaba/virtual-environment] which can be a typical 
> example of what situation the filter is used



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