Todd Palino created KAFKA-5056:
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Summary: Shuffling of partitions in old consume fetch requests
removed
Key: KAFKA-5056
URL: https://issues.apache.org/jira/browse/KAFKA-5056
Project: Kafka
Issue Type: Bug
Affects Versions: 0.10.1.0
Reporter: Todd Palino
Assignee: Todd Palino
[KIP-74|https://cwiki.apache.org/confluence/display/KAFKA/KIP-74%3A+Add+Fetch+Response+Size+Limit+in+Bytes]
deprecated the constructor to {{FetchRequest}} which shuffles the
{{requestInfo}} parameter, in favor of round robin reordering logic added to
the replica fetcher and the consumer API. However, this was not added to the
old consumer {{ConsumerFetcherThread}}, which has resulted in unfair partition
fetching since 0.10.1.
In order to maintain the old consumer, we need to add the removed shuffle to
{{buildFetchRequest}} as the topic-partition list for each {{FetchRequest}} is
composed.
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