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https://issues.apache.org/jira/browse/QPID-7830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16489319#comment-16489319
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ASF subversion and git services commented on QPID-7830:
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Commit 28e73f3c1abad32d69d4e2f0937f1021a3ac61dd in qpid-broker-j's branch
refs/heads/7.0.x from [~alex.rufous]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-broker-j.git;h=28e73f3 ]
QPID-7830: [Broker-J] Fix failing test
(cherry picked from commit 196b27065219b1283522bdb3a8f4fb1dda82ac16)
> Heap dominated by duplicates of common routing values / header values etc
> -------------------------------------------------------------------------
>
> Key: QPID-7830
> URL: https://issues.apache.org/jira/browse/QPID-7830
> Project: Qpid
> Issue Type: Bug
> Components: Broker-J
> Reporter: Keith Wall
> Assignee: Alex Rudyy
> Priority: Major
> Fix For: qpid-java-broker-7.1.0, qpid-java-broker-7.0.4
>
> Attachments:
> 0001-QPID-7830-Broker-J-Simplify-string-caching-functiona.patch
>
>
> When used for store and forwarding, in some use cases the Broker's heap can
> become dominated by duplicates of common values such as routing information
> (e.g. {{amq.direct}} or an application's queue name) or common header values
> (e.g a application/octet-stream or an application's user id).
> On the 0-8..0-91 paths, every enqueued message gets its own
> {{MessagePublishInfo}} referencing its own {{AMQShortString}} exchange and
> routing keys. For some use-cases, these are drawn from a small set. On the
> AMQP 1.0 path, {{Properties#to}} is an example. 0-10 is probably affected
> too.
> This unnecessarily increases the heap requirements of the Broker.
> The Broker should adopt a sensible intern/caching policy with the same policy
> applying regardless of whether messages follow the on-line enqueue or
> recovery path. Note that in AMQP 1.0, values which are {{Symbols}} have
> their underlying String automatically interned.
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