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https://issues.apache.org/jira/browse/KAFKA-736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569294#comment-13569294
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ben fleis commented on KAFKA-736:
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Went back and tested the 'draft' patch, and this failed in the same way that
706 was previously failing. I have not looked at the patches at all, merely
blindly applied. Perhaps I made an error when applying/testing the v2 patch,
although I believe I ran the same steps... YMMV. In any case draft patch has
reliably failed 3x in a row, and a la 706, tcpdump confirms the lost messages.
> Add an option to the 0.8 producer to mimic 0.7 producer behavior
> ----------------------------------------------------------------
>
> Key: KAFKA-736
> URL: https://issues.apache.org/jira/browse/KAFKA-736
> Project: Kafka
> Issue Type: Improvement
> Components: producer
> Affects Versions: 0.8
> Reporter: Neha Narkhede
> Assignee: Neha Narkhede
> Priority: Blocker
> Labels: p2, replication-performance
> Attachments: kafka-736-draft.patch, kafka-736-v1.patch,
> kafka-736-v2.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> I profiled a producer throughput benchmark between a producer and a remote
> broker. It turns out that the background send threads spends ~97% of its time
> waiting to read the acknowledgement from the broker.
> I propose we change the current behavior of request.required.acks=0 to mean
> no acknowledgement from the broker. This will mimic the 0.7 producer behavior
> and will enable tuning the producer for very high throughput.
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