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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/12/02 07:22:30 UTC
[GitHub] [rocketmq-exporter] RichardChengshaojin opened a new issue #78: Metrics rocketmq_consumer_offset's tag countOfOnlineConsumers doesn't behave as expected
RichardChengshaojin opened a new issue #78:
URL: https://github.com/apache/rocketmq-exporter/issues/78
**Describe the bug**
I deleted the subscription group, then queried the metrics **rocketmq_consumer_offset** in prometheus, and found the value of tag **countOfOnlineConsumers** was still 1.
**To Reproduce**
Steps to reproduce the behavior:
1. Delete the subscription group through rocketmq console or the script provided by rocket mq `sh mqadmin deleteSubGroup -n namesrv -c cluster -g groupName`, say groupName is **test-accumulate-consumer-1**
2. Query metrics through prometheus, `rocketmq_group_diff{group="test-accumulate-consumer-1"}`
3. Result is
4. As shown in console, find no consumer
5.
**Expected behavior**
Expect the value of tag `countOfOnlineConsumers` to be `0` rather than `1`. As shown below
`rocketmq_group_diff{countOfOnlineConsumers="0",group="test-accumulate-consumer-1",instance="172.20.22.30:5557",job="dev-metrics",msgModel="1",topic="test-accumulate"}`
**Desktop (please complete the following information):**
- Rocketmq broker version is V4_7_0
**Additional context**
I found a similar issue here: https://github.com/apache/rocketmq-exporter/issues/62
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[GitHub] [rocketmq-exporter] hdchen closed issue #78: Metrics rocketmq_consumer_offset's tag countOfOnlineConsumers doesn't behave as expected
Posted by GitBox <gi...@apache.org>.
hdchen closed issue #78:
URL: https://github.com/apache/rocketmq-exporter/issues/78
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[GitHub] [rocketmq-exporter] hdchen commented on issue #78: Metrics rocketmq_consumer_offset's tag countOfOnlineConsumers doesn't behave as expected
Posted by GitBox <gi...@apache.org>.
hdchen commented on issue #78:
URL: https://github.com/apache/rocketmq-exporter/issues/78#issuecomment-1013805451
eg After deleting this consumer group test-accumulate-consumer-1, this metric rocketmq_group_diff{group="test-accumulate-consumer-1"} will be deleted in prometheus after default 1 minutes , related to this outOfTimeSeconds parameter in application.yml
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