zhangyulu opened a new issue #293:
URL: https://github.com/apache/rocketmq-client-cpp/issues/293
1. Please describe the issue you observed:
- What did you do (The steps to reproduce)?
let consumer run
- What did you expect to see?
keep consuming messages
- What did you see instead?
stopped consuming messages
2. Please tell us about your environment:
- What is your OS?
CentOS Linux 7.6.1810
- What is your client version?
commit hash: b29bf5b69eab187a813a4d7f59534a6375e32d25
commited at 2020.03.23
- What is your RocketMQ version?
V4_3_0
3. Other information (e.g. detailed explanation, logs, related issues,
suggestions on how to fix, etc):
rocketmq log:
[2020-Mar-28 08:42:42.124297](info):unlock success of mq:MessageQueue
[topic=browser, brokerName=broker-1, queueId=1][unlock:335]
[2020-Mar-28 08:42:42.124426](warning):PullRequest for [MessageQueue
[topic=browser, brokerName=broker-1, queueId=2]] has been expired 9111
ms,m_lastPullTimestamp = 1585356033013 ms[isPullRequestExpired:211]
[2020-Mar-28 08:42:42.124486](info):Drop mq:MessageQueue [topic=browser,
brokerName=broker-1, queueId=2] according Pull
timeout.[updateRequestTableInRebalance:501]
[2020-Mar-28 08:42:42.124554](info):oneway updateConsumeOffsetToBroker of
mq:MessageQueue [topic=browser, brokerName=broker-1, queueId=2], its offset
is:268305037[updateConsumeOffsetToBroker:310]
日志一直循环出现上述内容。
只出现在跨机房消费的场景（ping延迟40ms左右），网络可能会有波动但从未断开。每次消费者启动后可以正常运行一段时间（几个小时或者几天），但在某个时间点突然不再消费新消息，导致该消费者所分配到的队列堆积，也不会再分配给其他正常消费者。超时设置(try
lock timeout & connect timeout)均使用默认值。
共部署4-6个消费者，任意一个消费者均多次出现过上述情况，必须重启消费者才能恢复。
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