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https://issues.apache.org/jira/browse/ARTEMIS-5773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18039487#comment-18039487
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Scott Feldstein commented on ARTEMIS-5773:
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yep. Also, let's not lose sight of the PagingManagerImpl.stores cleanup as
well.
Sorry I still haven't pushed the PR. We're testing this in our scale labs, so
far i don't see any issues.
> Memory and storage leak in PostOfficeImpl and PagingManagerImpl
> ---------------------------------------------------------------
>
> Key: ARTEMIS-5773
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5773
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.44.0
> Reporter: Scott Feldstein
> Assignee: Justin Bertram
> Priority: Major
> Attachments: storage-freed-after-patch.png
>
>
> h1. Problem
> We are encountering memory leaks in PostOfficeImpl and PagingManagerImpl. We
> have a clustered set of nodes and use the BRIDGE queues to transmit messages
> between the notes. We use > 10_000 topics where the ActiveMQServer
> Configuration is setup to auto-delete them. When this occurs the BRIDGE
> addresses are not purged. This causes bloating in the journal files and in
> memory. The memory issue occurs in the PagingManagerImpl.stores and
> PostOfficeImpl.duplicateIDCaches (see below).
> From the analysis I see these orphaned addresses need to be cleaned up. The
> periodic Reaper process needs to be augmented to achieve this.
> h1. Report from Memory Analyzer
> {code}
> Class Name
> | Shallow Heap | Retained Heap | Percentage
> ---------------------------------------------------------------------------------------------------------------------------------------------------
> org.apache.activemq.artemis.core.paging.impl.PagingManagerImpl @ 0x704d4dd40
> | 0.10 KB | 296,632.09 KB | 15.60%
> |- stores java.util.concurrent.ConcurrentHashMap @ 0x704d4de70
> | 0.06 KB | 296,631.45 KB | 15.60%
> |- syncLock java.util.concurrent.locks.ReentrantReadWriteLock @ 0x704d4dda8
> | 0.02 KB | 0.12 KB | 0.00%
> |- managerExecutor org.apache.activemq.artemis.utils.actors.OrderedExecutor @
> 0x7311d2e10 | 0.04 KB | 0.12 KB | 0.00%
> |- globalSizeMetric org.apache.activemq.artemis.utils.SizeAwareMetric @
> 0x7311d2e88 | 0.08 KB | 0.11 KB | 0.00%
> |- blockedStored
> org.apache.activemq.artemis.utils.collections.ConcurrentHashSet @ 0x704d4de20
> | 0.02 KB | 0.08 KB | 0.00%
> |- transactions java.util.concurrent.ConcurrentHashMap @ 0x7311d2da0
> | 0.06 KB | 0.06 KB | 0.00%
> |- memoryCallback java.util.concurrent.ConcurrentLinkedQueue @ 0x7311d2de0
> | 0.02 KB | 0.05 KB | 0.00%
> '- Total: 7 entries
> | | |
> org.apache.activemq.artemis.core.postoffice.impl.PostOfficeImpl @ 0x704d20ec0
> | 0.09 KB | 272,058.85 KB | 14.31%
> |- duplicateIDCaches java.util.concurrent.ConcurrentHashMap @ 0x75da26050
> | 0.06 KB | 205,443.41 KB | 10.80%
> |- addressManager
> org.apache.activemq.artemis.core.postoffice.impl.WildcardAddressManager @
> 0x75da26090| 0.05 KB | 66,605.27 KB | 3.50%
> |- queueInfos java.util.HashMap @ 0x7311d0408
> | 0.05 KB | 8.81 KB | 0.00%
> |- org.apache.activemq.artemis.api.core.SimpleString @ 0x72325d418
> | 0.03 KB | 0.41 KB | 0.00%
> |- org.apache.activemq.artemis.api.core.SimpleString @ 0x72325d7d0
> | 0.03 KB | 0.41 KB | 0.00%
> |- org.apache.activemq.artemis.api.core.SimpleString @ 0x72325d6d0
> | 0.03 KB | 0.25 KB | 0.00%
> |- org.apache.activemq.artemis.api.core.SimpleString @ 0x72325da70
> | 0.03 KB | 0.20 KB | 0.00%
> |- notificationLock java.lang.Object @ 0x75da26040
> | 0.02 KB | 0.02 KB | 0.00%
> '- Total: 8 entries
> | | |
> ---------------------------------------------------------------------------------------------------------------------------------------------------
> {code}
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