Guozhang Wang created KAFKA-4937:
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             Summary: Batch resetting offsets in Streams' StoreChangelogReader
                 Key: KAFKA-4937
                 URL: https://issues.apache.org/jira/browse/KAFKA-4937
             Project: Kafka
          Issue Type: Bug
          Components: streams
            Reporter: Guozhang Wang


Currently in {{StoreChangelogReader}} we are calling {{consumer.position()}} 
when logging as well as setting starting offset right after 
{{seekingToBeginning}}, which will incur a blocking round trip with offset 
request. We should consider batching those in a single round trip for all 
partitions that needs to seek to beginning (i.e. needs to reset offset).



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