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https://issues.apache.org/jira/browse/KAFKA-756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sriram Subramanian updated KAFKA-756:
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Attachment: KAFKA-756.patch
This does two things
- Checks during writeTo in FileMessageSet to ensure the underlying view has not
changed. If it has, we throw an exception and SocketServer will close the key
- We do not write the fetch response for all the topics to the channel in a
blocking manner. We give a chance to the processor thread to address other
waiting requests. This change is to mainly to get feedback.
> Processor thread blocks due to infinite loop during fetch response send
> -----------------------------------------------------------------------
>
> Key: KAFKA-756
> URL: https://issues.apache.org/jira/browse/KAFKA-756
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8
> Reporter: Sriram Subramanian
> Assignee: Sriram Subramanian
> Priority: Blocker
> Labels: bugs, p1
> Attachments: KAFKA-756.patch
>
>
> This looks to be because of an infinite loop during fetch response send. This
> happens because we try to send bytes from a log which has been truncated
> during send. The total size to send is calculated at the beginning of the
> iteration and it does not take into account the change in log size during
> send. When send happens, it uses the size calculated at the start and loops
> continuously hoping to send more data.
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