[jira] [Commented] (ARTEMIS-4162) Support deleting addresses and queues without usage check

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARTEMIS-4162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17695952#comment-17695952 ] 

ASF subversion and git services commented on ARTEMIS-4162:
----------------------------------------------------------

Commit b76c67230538ff3b366793f7194bc4539b7620e7 in activemq-artemis's branch refs/heads/main from Justin Bertram
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=b76c672305 ]

ARTEMIS-4162 support deleting addresses & queues w/o usage check

There are certain use-cases where addresses will be auto-created and
never have a direct binding created on them. Because of this they will
never be auto-deleted. If a large number of these addresses build up
they will consume a problematic amount of heap space.

One specific example of this use-case is an MQTT subscriber with a
wild-card subscription and a large number of MQTT producers sending one
or two messages a large number of different MQTT topics covered by the
wild-card. Since no bindings are ever created on any of these individual
addresses (e.g. from a subscription queue) they will never be
auto-deleted, but they will eventually consume a large amount of heap.
The only way to deal with these addresses is to manually delete them.

There are also situations  where queues may be created and never have
any messages sent to them or never have a consumer connect. These
queues will never be auto-deleted so they must be deleted manually.

This commit adds the ability to configure the broker to skip the usage
check so that these kinds of addresses and queues can be deleted
automatically.


> Support deleting addresses and queues without usage check
> ---------------------------------------------------------
>
>                 Key: ARTEMIS-4162
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-4162
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>            Reporter: Justin Bertram
>            Assignee: Justin Bertram
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> There are certain use-cases where addresses will be auto-created and never have a direct binding created on them. Because of this they will never be auto-deleted. If a large number of these addresses build up they will consume a problematic amount of heap space.
> One specific example of this use-case is an MQTT subscriber with a wild-card subscription and a large number of MQTT producers sending one or two messages a large number of different MQTT topics covered by the wild-card. Since consumers are never created on any of these individual addresses they will never be auto-deleted, but they will eventually consume a large amount of heap. The only way to deal with these addresses is to manually delete them.
> We should have a way to tell the address reaper to skip the usage check.



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