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https://issues.apache.org/jira/browse/QPID-5519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavel Moravec closed QPID-5519.
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> ACL property/properties for paged queues
> ----------------------------------------
>
> Key: QPID-5519
> URL: https://issues.apache.org/jira/browse/QPID-5519
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Broker
> Affects Versions: 0.24
> Reporter: Pavel Moravec
> Assignee: Pavel Moravec
> Priority: Minor
> Labels: improvement, patch
> Fix For: 0.27
>
> Attachments: QPID-5519.patch
>
>
> Description of problem:
> QPID-4339 adds paged queue but there is no corresponding ACL rule/property
> limiting users in creating paged queues. As from system management point of
> view, a paged queue (being backed up by a physical file) is very similar to a
> durable queue.
> Therefore ACL should have property "paging=true" / "paging=false" in create
> queue rule. Additionally, it has some (limited) sense to have limits for
> max_pages_loaded and page_factor attributes. Those limits:
> - could limit memory usage (if the property would compare
> max_pages_loaded*page_factor)
> - could limit maximal message size to be successfully enqueued (page_factor)
> - though I dont see a big value of such ACL limit; please provide a business
> justification if there is
> - could _indirectly_ limit maximal size of the underlying file (that upper
> limit is page_factor*value_of_(/proc/sys/vm/max_map_count) ) - as
> max_map_count is usually high, it is less usefull
> Version-Release number of selected component (if applicable):
> any (incl. qpid 0.26)
> How reproducible:
> 100%
> Steps to Reproduce:
> any user can run:
> qpid-config add queue my-paged-queue --argument qpid.paging=True --argument
> qpid.max_pages_loaded=10000 --argument qpid.page_factor=10000
> Actual results:
> Any user can create paged queue of arbitrary parameters (paged queue related).
> Expected results:
> ACL parameters could prevent so.
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