himanshug commented on pull request #10551:
URL: https://github.com/apache/druid/pull/10551#issuecomment-736143481
@zhangyue19921010 I think making Druid flexible to work with older versions
of Kafka is good, so +1 on that.
regarding the specific implementation here --
does the problem happen if `isolation.level=read_uncommitted` ? if no, then
all that is needed is to make "isolation.level" overridable via the `ioConfig`
instead of introducing another configuration `consumeTransactionally`.
That can be achieved by removing `props.put("isolation.level",
"read_committed");` from `KafkaConsumerConfigs.getConsumerProperties()` and
making that a default in `KafkaIndexTaskIOConfig` if
`isolation.level=read_committed` is not explicitly supplied by the user.
does that make sense?
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