dubbo:method

Method level configuration. The corresponding class: com.alibaba.dubbo.config.MethodConfig. This tag is a child tag of <dubbo:service> or <dubbo:reference>, for accuracy to method level.

Property Corresponding URL parameter Type Requisite Default Effect Description Compatibility
name string Y identifier Method name above 1.0.8
timeout <metodName>.timeout int N <dubbo:reference> timeout performance optimization Method call timeout(ms) above 1.0.8
retries <metodName>.retries int N <dubbo:reference> retries performance optimization Invoking retry times, exclude the first invoking. Set 0 to disable it above 2.0.0
loadbalance <metodName>.loadbalance string N <dubbo:reference> loadbalance performance optimization Load balancing strategy. Choices：random, roundrobin(polling), leastactive(invoking least active service) above 2.0.0
async <metodName>.async boolean N <dubbo:reference> async performance optimization Whether invoke asynchronously above 1.0.9
sent <methodName>.sent boolean N true performance optimization Generally used when async is true, and If true, indicate that the network has sent out data above 2.0.6
actives <metodName>.actives int N 0 performance optimization The max concurrency of per service method for each corresponding consumer above 2.0.5
executes <metodName>.executes int N 0 performance optimization The maximum number of threads of per service method is limited- -. Only take effect when <dubbo:method> is <dubbo:service> child tag above 2.0.5
deprecated <methodName>.deprecated boolean N false service governance Whether is deprecated method. Only take effect when <dubbo:method> is <dubbo:service> child tag above 2.0.5
sticky <methodName>.sticky boolean N false service governance If true, all methods on this interface use the same provider. If more complex rules are required, use routing above 2.0.6
return <methodName>.return boolean N true performance optimization Whether need return value. Only take effect when async is true. If true, return future, or callback such as "onreturn" method. Otherwise, return null. above 2.0.6
oninvoke String N performance optimization Intercept before invoke above 2.0.6
onreturn String N performance optimization Intercept after invoke above 2.0.6
onthrow String N performance optimization Intercept when catch exception above 2.0.6
cache <methodName>.cache string/boolean N service governance Cache return result, and key is call parameters. Choices: lru, threadlocal, jcache and so on at least 2.1.0
validation <methodName>.validation boolean N service governance Whether enable JSR303 standard annotation validation at least 2.1.0

For example:

<dubbo:reference interface="com.xxx.XxxService">
    <dubbo:method name="findXxx" timeout="3000" retries="2" />
</dubbo:reference>

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