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Posted to commits@rocketmq.apache.org by "sqtce (via GitHub)" <gi...@apache.org> on 2023/06/29 08:30:38 UTC
[GitHub] [rocketmq] sqtce opened a new issue, #6967: [Bug]The significant downsizing of the business resulted in a large number of message duplicates.
sqtce opened a new issue, #6967:
URL: https://github.com/apache/rocketmq/issues/6967
### Before Creating the Bug Report
- [X] I found a bug, not just asking a question, which should be created in [GitHub Discussions](https://github.com/apache/rocketmq/discussions).
- [X] I have searched the [GitHub Issues](https://github.com/apache/rocketmq/issues) and [GitHub Discussions](https://github.com/apache/rocketmq/discussions) of this repository and believe that this is not a duplicate.
- [X] I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ.
### Runtime platform environment
Centos7.6
### RocketMQ version
4.7.0
### JDK Version
1.8.0
### Describe the Bug
During a significant downsizing of the business, a large number of message duplicates occurred. Additionally, there was an unstable registration of consumers on another broker, leading to a backlog of consumer consumption. The hardware watermarks were normal, and network connectivity was verified as normal by Alibaba Cloud. The problematic broker generated the following log entries:
2023-06-25 22:19:38 WARN NettyServerNIOSelector_16_15 - send a request command to channel </10.17.17.9:43606> failed.
The problematic broker is printing the following log entries in large quantities:
2023-06-25 22:19:40 WARN NettyServerCodecThread_10 - event queue size[10001] enough, so drop this event NettyEvent [type=CONNECT, remoteAddr=10.13.10.51:59658, channel=[id: 0x4e4915b9, L:/10.11.1.1
6:10911 - R:/10.13.10.51:59658]]，
Restarting the broker resolves the issue.
### Steps to Reproduce
What was observed instead?
### What Did You Expect to See?
Large message backlog and duplicated message consumption.
### What Did You See Instead?
How to resolve it.
### Additional Context
_No response_
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Re: [I] [Bug]The significant downsizing of the business resulted in a large number of message duplicates. [rocketmq]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #6967:
URL: https://github.com/apache/rocketmq/issues/6967#issuecomment-2197786467
This issue is stale because it has been open for 365 days with no activity. It will be closed in 3 days if no further activity occurs.
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