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https://issues.apache.org/jira/browse/QPID-8202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16504028#comment-16504028
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Keith Wall commented on QPID-8202:
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Isn't 6.1 affected by this problem too? I haven't run the code but it looks
like this problem has been with Broker-J since QPID-6953.
Your code change looks functionally correct to me, but the code remains less
than obvious.
# It seems odd to give the {{MessageContentSourceBody}} all the {{content}},
{{offset}} and {{length}} only then to have {{#writePayload}} take a view a few
moments later. Passing {{MessageContentSourceBody}} the view it needs would
be an improvement. Or perhaps replace {{MessageContentSourceBody}} with a
{{ContentBody}} (and remember to call dispose)?
# The calculation of {{capacity}} (which would be better named
{{contentChunkSize}}) is weird and could be expressed more clearly.
> [Broker-J][AMQP 0-9] Large flowed to disk message can be re-loaded from store
> for every content chunk sent to the client
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-8202
> URL: https://issues.apache.org/jira/browse/QPID-8202
> Project: Qpid
> Issue Type: Bug
> Components: Broker-J
> Affects Versions: qpid-java-broker-7.0.3, qpid-java-broker-7.0.2,
> qpid-java-broker-7.0.0, qpid-java-broker-7.0.1, qpid-java-broker-7.0.4
> Reporter: Alex Rudyy
> Assignee: Alex Rudyy
> Priority: Critical
> Fix For: qpid-java-broker-7.1.0, qpid-java-broker-7.0.5
>
>
> When large message cannot fit in one frame it is sent in multiple blocks.
> Currently, the flowed to disk message is reloaded from store and evicted from
> memory on sending every block. As result, the message consumption performance
> is very slow. Only AMQP protocols 0-8..0-91 are affected by the issue
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