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How to get the consumer getting displayed under consumer tab?
I have installed Latest Kafka-manager to get to know the consumer for the topics and the lags. I could not see any information on the tabs or under topic view "Consumers consuming from this topic".
Is there a config or setting needs to be enabled. Currently We use kafka 0.8.2.0
Whether it has been enable "Poll consumer information" and "Enable Active OffsetCache" in the Update Cluster view?
Currently in kafka-manager 1.3.0.8 - no metrics are shown. from start I did not see any metrics. Is there anything wrong.
I did the exact thing mentioned
@stormlearner @DavidLiuXh I got the same issue, there isn't consumer info in Consumers tab, actually I confirmed there are consumers.
My KAFKA_VERSION 0.8.2.1， and using below docker config to install server, https://hub.docker.com/r/spotify/kafka/~/dockerfile/
Looks like KF type consumers offsets are lost if you restart KafkaManager or if the consumer starts consuming before Kafka Manager is up.
See if checking "Enable Active OffsetCache (Not recommended for large # of consumers)" in the properties of the cluster helps.
Clusters>Your cluster Modify>"Enable Active OffsetCache (Not recommended for large # of consumers)". Seems to have worked for me.
@MaximGurschi Hi, I got the same issue. I have enable Active OffsetCache , but still can't see the consumer on kafka manager. Restart kafka manager didn't give any help.
@KaimingWan You are correct that suggestion fix was a false positive. I am still not aware of how to always have the consumers show up. The only regularity i have observed is if (for a prolonged period of time) there are no messages to be consumed by consumer X then i do not see consumer X in the list.
still have the same issue. looks like it need to wait sometime so the consumers will showing. but if we use the kafka script we actually can get the consumer details. not sure why here we are not able to get anything
based on the observation, i found the consumers tab will show the value when the consumers are up and running. if you restart them ,all will disappear and if you start consumers it show again