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https://issues.apache.org/jira/browse/KAFKA-456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Arthur updated KAFKA-456:
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Affects Version/s: (was: 0.7.2)
(was: 0.7.1)
Status: Patch Available (was: Open)
Only compatible with 0.8
> ProducerSendThread calls ListBuffer.size a whole bunch. That is a O(n)
> operation
> --------------------------------------------------------------------------------
>
> Key: KAFKA-456
> URL: https://issues.apache.org/jira/browse/KAFKA-456
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Environment: NA
> Reporter: Matthew Rathbone
> Priority: Minor
> Labels: newbie
> Fix For: 0.8
>
> Attachments: KAFKA-456.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> Hi all,
> So there are various statements throughout the async code that call
> 'events.size', mostly for debugging purposes.
> Problem is that this call is O(n), so it could add up if the batch size is
> high. (it's a ListBuffer)
> I see this in at least ProducerSendThread (x4), likely more. Will factor this
> out myself soon when I start hacking on the project, just wanted to put this
> somewhere.
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