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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (ARTEMIS-1650) Improve paged message acknowledge
Date Thu, 08 Feb 2018 14:16:00 GMT


ASF subversion and git services commented on ARTEMIS-1650:

Commit 822445a717f943c64a84b2ac6a0af8ace9e5cd23 in activemq-artemis's branch refs/heads/master
from [~huaishk]
[;h=822445a ]

ARTEMIS-1650 Improve paged message acknowledge

Cache `messageID`, `transactionID` and `isLargeMessage`
in PagedReference, so that when acknowledge, we do not have to
get PagedMessage which may be GCed and cause re-read entire page.

> Improve paged message acknowledge
> ---------------------------------
>                 Key: ARTEMIS-1650
>                 URL:
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Broker
>            Reporter: shoukun huai
>            Priority: Minor
>         Attachments: jstack.txt
> PagedMessage may be GCed before it was acknowledged. In this case, server has to reload
the page and hold the page cache lock, then block other consumers of the same queue.
> When do acknowledge, we need at least message id, transaction id, and is large message.
> We believe the three property can be added to PagedReference, so we do not rely on PagedMessage
when acknowledge except LargeMessage.

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