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https://issues.apache.org/jira/browse/ROCKETMQ-106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dongeforever updated ROCKETMQ-106:
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Fix Version/s: (was: 4.1.0-incubating)
4.2.0-incubating
> Add flow control on topic level
> -------------------------------
>
> Key: ROCKETMQ-106
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-106
> Project: Apache RocketMQ
> Issue Type: Wish
> Components: rocketmq-client
> Reporter: Jaskey Lam
> Assignee: Jaskey Lam
> Fix For: 4.2.0-incubating
>
>
> *Motivations*
> For current flow control, we can only control on queue level.
> Howerver, the numbers of queue allocated may be dynamic changed. For example,
> I might hope to control that at most 1000 messages can be pulled from broker
> to protect my client. And I have no idea how many queue I am allocated. Maybe
> I will have 5 queue and 5 instances so I set `pullThresholdForQueue`=1000,
> which works as expected when one is fine. But as long as any instances
> crashes, some instances may be allocated more than one queue, which will
> make messages pulled from broker exceed my expectations.
> A configuration of `pullThresholdForTopic` is propably most user hopes.
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