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https://issues.apache.org/jira/browse/ARTEMIS-3021?focusedWorklogId=538952&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-538952
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ASF GitHub Bot logged work on ARTEMIS-3021:
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Author: ASF GitHub Bot
Created on: 21/Jan/21 09:34
Start Date: 21/Jan/21 09:34
Worklog Time Spent: 10m
Work Description: franz1981 commented on pull request #3370:
URL: https://github.com/apache/activemq-artemis/pull/3370#issuecomment-764505865
the CI seems fine with this, so I'm just going to prepare a test for the
specific change and we're ready to go
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Issue Time Tracking
-------------------
Worklog Id: (was: 538952)
Time Spent: 2h 40m (was: 2.5h)
> OOM due to wrong CORE clustered message memory estimation
> ---------------------------------------------------------
>
> Key: ARTEMIS-3021
> URL: https://issues.apache.org/jira/browse/ARTEMIS-3021
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Major
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> This is affecting clustered Core messages (persistent or not).
> The process that cause the wrong estimation is:
> # add route information to the message
> # get memory estimation for paging (ie address size estimation) without
> accounting the new route information
> # get message persist size for durable append on journal/to update queue
> statistics, triggering a re-encoding
> # re-encoding (can) enlarge the message buffer to be the next power of 2
> available capacity
> The 2 fixes are:
> * getting a correct memory estimation of the message
> * save the buffer growth using the default Netty's ByteBuf::ensureWritable
> strategy
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