Liang-Chi Hsieh created SPARK-11698:
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             Summary: Add option to ignore kafka messages that are out of limit 
rate
                 Key: SPARK-11698
                 URL: https://issues.apache.org/jira/browse/SPARK-11698
             Project: Spark
          Issue Type: Improvement
          Components: Streaming
            Reporter: Liang-Chi Hsieh


With spark.streaming.kafka.maxRatePerPartition, we can control the max rate 
limit. However, we can not ignore these messages out of limit. These messages 
will be consumed in next iteration. We have a use case that we need to ignore 
these messages and process latest messages in next iteration.

In other words, we simply want to consume part of messages in each iteration 
and ignore remaining messages that are not consumed.

We add an option for this purpose.



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