liuruiyiyang commented on a change in pull request #1458: [ISSUE #1457]
Dynamically effective namesrvAddr for name server auto-scaling
URL: https://github.com/apache/rocketmq/pull/1458#discussion_r327943882
##########
File path:
broker/src/main/java/org/apache/rocketmq/broker/processor/AdminBrokerProcessor.java
##########
@@ -493,6 +490,17 @@ private synchronized RemotingCommand
updateBrokerConfig(ChannelHandlerContext ct
return response;
}
+ private void applyUpdatedConfig(Properties properties) {
+ if (properties.containsKey(MixAll.DUP_NAMESRV_ADDR)) {
+ String updatedNamesrvAddr =
this.brokerController.getBrokerConfig().getNamesrvAddr();
+
this.brokerController.getBrokerOuterAPI().updateNameServerAddressList(updatedNamesrvAddr);
Review comment:
In current design, the priority of ```mqadmin updateBrokerConfig
namesrvAddr``` is lower than ```fetchNamesrvAddrByAddressServer```, which means
the scheduled task will overwrite it. The purpose of this PR is to enable
dynamically effective namesrvAddr for name server auto-scaling when
```fetchNamesrvAddrByAddressServer``` scheduled task is not enabled. If the
```fetchNamesrvAddrByAddressServer``` scheduled task is enabled, it already
have the ability of dynamically effective.
Therefore, I don't think we should cancel the scheduled task.
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