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https://issues.apache.org/jira/browse/KAFKA-3233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15154624#comment-15154624
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ASF GitHub Bot commented on KAFKA-3233:
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GitHub user happymap opened a pull request:
https://github.com/apache/kafka/pull/939
KAFKA-3233: expose consumer per-topic metrics
In version of 0.8.2.1, the old consumer will provide the metrics reporter
per-topic consumer metrics under group 'ConsumerTopicMetrics'. For example:
*.ConsumerTopicMetrics.clientId.[topic name].BytesPerSec.count
*.ConsumerTopicMetrics.clientId.[topic name].MessagesPerSec.count
These consumer metrics are useful since it helps us monitor consumer rate
for each topic. But the new consumer(0.9.0.0) doesn't expose per topic metrics
anymore, even though I did find sensor objects in consumer metrics object
collecting per-topic metrics.
After investigation, I found that these sensors are not registering any
KafkaMetrics.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/happymap/kafka KAFKA-3233
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/939.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #939
----
commit c0ca957a40b3a946aae1e00e3dd8a899c36ed5d0
Author: Yifan Ying <[email protected]>
Date: 2016-02-19T18:37:08Z
KAFKA-3233: expose consumer per-topic metrics
----
> Per topic consumer metrics missing in new consumer's metrics reporter
> ---------------------------------------------------------------------
>
> Key: KAFKA-3233
> URL: https://issues.apache.org/jira/browse/KAFKA-3233
> Project: Kafka
> Issue Type: Bug
> Reporter: Yifan Ying
>
> In version of 0.8.2.1, the old consumer will provide the metrics reporter
> per-topic consumer metrics under group 'ConsumerTopicMetrics'. For example:
> *.ConsumerTopicMetrics.clientId.[topic name].BytesPerSec.count
> *.ConsumerTopicMetrics.clientId.[topic name].MessagesPerSec.count
> These consumer metrics are useful since it provides consumer rate for each
> topic. But the new consumer(0.9.0.0) doesn't expose per topic metrics
> anymore, even though I did find sensor objects in consumer metrics object
> collecting per-topic metrics.
> After investigation, I found that these sensors don't register any
> KafkaMetrics.
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