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https://issues.apache.org/jira/browse/QPID-8013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18054820#comment-18054820
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ASF subversion and git services commented on QPID-8013:
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Commit b8e24e5b71049e6646231a35611e2b0413d975b8 in qpid-broker-j's branch
refs/heads/main from Daniil Kirilyuk
[ https://gitbox.apache.org/repos/asf?p=qpid-broker-j.git;h=b8e24e5b71 ]
QPID-8013: [Broker-J] Reduce footprint of AMQP 1.0 protocol objects (#369)
> [Broker-J] Reduce footprint of AMQP 1.0 protocol objects
> --------------------------------------------------------
>
> Key: QPID-8013
> URL: https://issues.apache.org/jira/browse/QPID-8013
> Project: Qpid
> Issue Type: Improvement
> Components: Broker-J
> Reporter: Keith Wall
> Priority: Major
> Fix For: qpid-java-broker-10.0.2
>
>
> Comparing the footprints of AMQP 1.0 protocol objects with the older
> protocols shows that the 1.0 counterparts are larger. Some tuning would be
> beneficial. For instance, the {{_sendingSessions}} and {{_receivingSessions}}
> arrays are channel max sized, even if the client never uses that many
> sessions.
> *Implementation*
> 1) ValueWriter can be optionally cached in AMQFrame. This would prevent
> repeated writer lookup
> 2) Continuation transfers in Session_1_0 can be optimized to not call
> continuationTransfer.setPayload() / continuationTransfer.dispose() . This
> will prevent buffer duplication and disposal.
> 3) Fast-path for "body only" case in ConsumerTarget_1_0 can be added
> 4) Fast-path for 0 / 1 transfers in Delivery can be added
> 5) SectionDecoderImpl can be cached
> 6) MessageConverter_from_1_0 / MessageConverter_to_1_0 can be optimized to
> avoid new objects creation
> 7) "Acceptance" outcome can be used as a singleton
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