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https://issues.apache.org/jira/browse/BEAM-6285?focusedWorklogId=189490&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-189490
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ASF GitHub Bot logged work on BEAM-6285:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/Jan/19 14:03
            Start Date: 24/Jan/19 14:03
    Worklog Time Spent: 10m 
      Work Description: XuMingmin commented on issue #7598: [BEAM-6285] add 
parameters for offsetConsumer in KafkaIO.read()
URL: https://github.com/apache/beam/pull/7598#issuecomment-457207330
 
 
   @aromanenko-dev backlog by offset is a concept in Kafka, I don't see a 
proper way to test it with `KafkaIOTest.ConsumerFactoryFn`, any tips?
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 189490)
    Time Spent: 1.5h  (was: 1h 20m)

> add parameters for offsetConsumer in KafkaIO.read()
> ---------------------------------------------------
>
>                 Key: BEAM-6285
>                 URL: https://issues.apache.org/jira/browse/BEAM-6285
>             Project: Beam
>          Issue Type: Improvement
>          Components: io-java-kafka
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
>            Priority: Major
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Add an option in KafkaIO.read() to avoid using `offsetConsumer`. 
> *What's the problem:*
> When security is enabled, function 
> `KafkaUnboundedReader.updateLatestOffsets()` always fails with lots of WARN 
> log.
> *What's the cause:*
> `offsetConsumer` uses a mocked `ConsumerConfig.GROUP_ID_CONFIG`, and it 
> doesn't work as expected when security is enabled. In our case, 
> `ConsumerConfig.GROUP_ID_CONFIG` is the key to validate whether this consumer 
> is approved.
> *What's the solution:*
> Add an option to disable `offsetConsumer` by developers;
> *What's the side effect:*
> With `offsetConsumer` disabled, backlog is unknown.
>  
> [~rangadi] any comments?
>  
>  



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