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https://issues.apache.org/jira/browse/ROCKETMQ-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16387364#comment-16387364
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ASF GitHub Bot commented on ROCKETMQ-319:
-----------------------------------------
vongosling 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_r172422121
##########
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() {
Review comment:
while when we use thread in RocketMQ, we must be cautious about its work
queue, initialization, exception handler, and graceful shutdown
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> improve broker register performance and reduce memory usage
> -----------------------------------------------------------
>
> Key: ROCKETMQ-319
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-319
> Project: Apache RocketMQ
> Issue Type: Bug
> Components: rocketmq-broker, rocketmq-namesrv
> Affects Versions: 4.0.0-incubating, 4.1.0-incubating
> Reporter: yubaofu
> Assignee: yukon
> Priority: Major
>
> when MQ broker cluster manage topic size very large, eg 10,000+，when MQ
> Broker register meta info to name server，cause mq broker gc problem,so we
> fixed it .
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