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https://issues.apache.org/jira/browse/ROCKETMQ-233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289205#comment-16289205
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ASF GitHub Bot commented on ROCKETMQ-233:
-----------------------------------------
dongeforever commented on a change in pull request #127: [ROCKETMQ-233] Fix
pull interval issue
URL: https://github.com/apache/rocketmq/pull/127#discussion_r156645862
##########
File path:
client/src/main/java/org/apache/rocketmq/client/consumer/DefaultMQPushConsumer.java
##########
@@ -231,6 +234,7 @@ public DefaultMQPushConsumer(final String consumerGroup,
RPCHook rpcHook, Alloca
this.consumerGroup = consumerGroup;
this.allocateMessageQueueStrategy = allocateMessageQueueStrategy;
defaultMQPushConsumerImpl = new DefaultMQPushConsumerImpl(this,
rpcHook);
+ this.pullIntervalPolicy = new
BoundedExponentialPullIntervalPolicy(100, 300000);
}
Review comment:
300s is too long.
For SUB latency-sensitive applications, long polling is suggested.
So fix pull interval policy is suggested, and the default pull interval
should be zero.
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> Apply pull interval when pull result contains no new matched msg
> ----------------------------------------------------------------
>
> Key: ROCKETMQ-233
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-233
> Project: Apache RocketMQ
> Issue Type: Bug
> Reporter: Zhanhui Li
> Assignee: Zhanhui Li
> Fix For: 4.3.0
>
>
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