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Posted to issues@activemq.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2019/01/17 22:53:00 UTC
[jira] [Commented] (ARTEMIS-2188) Paged large message results in
pagingStore sizeInBytes leak when the page is evicted
[ https://issues.apache.org/jira/browse/ARTEMIS-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16745597#comment-16745597 ]
ASF subversion and git services commented on ARTEMIS-2188:
----------------------------------------------------------
Commit 9c1ecd2558e09cbe439814dbf96641f06916a315 in activemq-artemis's branch refs/heads/2.6.x from yang wei
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=9c1ecd2 ]
ARTEMIS-2188 fix address size leak caused by large page message
(cherry picked from commit 52d236d850aeca10a49aa54833141df2f51722a2)
> Paged large message results in pagingStore sizeInBytes leak when the page is evicted
> ------------------------------------------------------------------------------------
>
> Key: ARTEMIS-2188
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2188
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Reporter: yangwei
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When we write a paged large message, addLiveMessage->incrementDelayDeletionCount->
> incrementRefCount->onDurableUp is called where pagingstore size and global size is added.
> The page where the large message resides maybe evicted from cache.
> When the page is deleted, LargeServerMessageImpl::decrementDelayDeletionCount is called the last time but the large message is not the original one which means context is null and nonDurableDown is not called resulting in pagingstore size and global size not properly subtracted.
> Writing large paged message should be handled like regular paged message. The large paged message doesn't account for the memory size, we don't need to call PagingStoreImpl::onDurableUp.
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