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https://issues.apache.org/jira/browse/KAFKA-5235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16511854#comment-16511854
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Ismael Juma commented on KAFKA-5235:
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KIP link:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-308%3A+GetOffsetShell%3A+new+KafkaConsumer+API%2C+support+for+multiple+topics%2C+minimize+the+number+of+requests+to+server
> GetOffsetShell: retrieve offsets for all given topics and partitions with
> single request to the broker
> ------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5235
> URL: https://issues.apache.org/jira/browse/KAFKA-5235
> Project: Kafka
> Issue Type: Improvement
> Components: tools
> Reporter: Arseniy Tashoyan
> Priority: Major
> Labels: kip, tool
> Fix For: 2.1.0
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> GetOffsetShell is implemented on old SimpleConsumer. It needs Zookeeper to
> retrieve metadata about topics and partitions. At present, GetOffsetShell
> does the following:
> - get metadata from Zookeeper
> - iterate over partitions
> - for each partition, connect to its leader broker and request offsets
> Instead, GetOffsetShell can use new KafkaConsumer and retrieve offsets by
> means of endOffsets(), beginningOffsets() and offsetsForTimes() methods. One
> request is sufficient for all topics and partitions.
> As far as GetOffsetShell is re-implemented with new KafkaConsumer API, it
> will not depend on obsolete API: SimpleConsumer, old producer API.
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