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From "Lorenz Quack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-7993) [Broker-J] Links for shared durable subscribers are accumulated in the link registry
Date Mon, 30 Oct 2017 09:08:00 GMT

    [ https://issues.apache.org/jira/browse/QPID-7993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16224529#comment-16224529
] 

Lorenz Quack commented on QPID-7993:
------------------------------------

For reference: QPIDJMS-220 describes the naming conventions for shared durable subscribers.

> [Broker-J] Links for shared durable subscribers are accumulated in the link registry
> ------------------------------------------------------------------------------------
>
>                 Key: QPID-7993
>                 URL: https://issues.apache.org/jira/browse/QPID-7993
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: qpid-java-broker-7.0.0
>            Reporter: Alex Rudyy
>
> Only link with name equals to subscription name is deleted from the link registry on
unsubscribe of shared durable subscription. The other shared durable subscription links with
names containing index are left in link registry forever. As result, such links can accumulate
with time and cause OOM. 
> The steps to reproduce
> * Apply patch from QPID-7992
> * Start the Broker
> * Create shared durable subscriptions with 2 subscribers
> * Close subscribers and unsubscribe the subscription
> * Dump the link registry state using management operation {{QueueManagingVirtualHost#dumpLinkRegistry}}
. The link for the second shared subscriber will be present in the dumped data



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