Keith Wall created QPID-7830:
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Summary: 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: Java Broker
Reporter: Keith Wall
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.
The Broker should adopt a sensible intern/caching policy.
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