fuyou001 commented on a change in pull request #205: [ROCKETMQ-319] Improve
broker register performance and reduce memory usage
URL: https://github.com/apache/rocketmq/pull/205#discussion_r172425447
##########
File path:
broker/src/main/java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java
##########
@@ -231,6 +259,72 @@ public void unregisterBroker(
throw new MQBrokerException(response.getCode(), response.getRemark());
}
+ public List<Boolean> needRegister(
+ final String clusterName,
+ final String brokerAddr,
+ final String brokerName,
+ final long brokerId,
+ final TopicConfigSerializeWrapper topicConfigWrapper,
+ final int timeoutMills) {
+ final List<Boolean> changedList = new CopyOnWriteArrayList<>();
+ List<String> nameServerAddressList =
this.remotingClient.getNameServerAddressList();
+ if (nameServerAddressList != null && nameServerAddressList.size() > 0)
{
+ final CountDownLatch countDownLatch = new
CountDownLatch(nameServerAddressList.size());
+ for (final String namesrvAddr : nameServerAddressList) {
+ brokerOuterExecutor.execute(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ QueryDataVersionRequestHeader requestHeader = new
QueryDataVersionRequestHeader();
+ requestHeader.setBrokerAddr(brokerAddr);
+ requestHeader.setBrokerId(brokerId);
+ requestHeader.setBrokerName(brokerName);
+ requestHeader.setClusterName(clusterName);
+ RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.QUERY_DATA_VERSION,
requestHeader);
+
request.setBody(topicConfigWrapper.getDataVersion().encode());
+ RemotingCommand response =
remotingClient.invokeSync(namesrvAddr, request, timeoutMills);
+ DataVersion nameServerDataVersion = null;
+ assert response != null;
Review comment:
done
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