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https://issues.apache.org/jira/browse/KAFKA-1445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994313#comment-13994313
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Guozhang Wang commented on KAFKA-1445:
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Created reviewboard https://reviews.apache.org/r/21304/
against branch origin/trunk
> New Producer should send all partitions that have non-empty batches when on
> of them is ready
> --------------------------------------------------------------------------------------------
>
> Key: KAFKA-1445
> URL: https://issues.apache.org/jira/browse/KAFKA-1445
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Fix For: 0.9.0
>
> Attachments: KAFKA-1445.patch
>
>
> One difference between the new producer and the old producer is that on the
> new producer the linger time is per partition, instead of global. Therefore,
> when the traffic is low, the sender will likely expire partitions one-by-one
> and send lots of small request containing only a few partitions with a few
> data, resulting largely increased request rate.
> One solution of it would be to let senders select all partitions that have
> non-empty batches when on of them is ready.
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