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https://issues.apache.org/jira/browse/QPID-6766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Wall updated QPID-6766:
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Fix Version/s: (was: qpid-java-7.0)
Future
> [Java Broker/Message Stores] Chunk message content in order to optimise
> memory usage
> ------------------------------------------------------------------------------------
>
> Key: QPID-6766
> URL: https://issues.apache.org/jira/browse/QPID-6766
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Reporter: Alex Rudyy
> Fix For: Future
>
>
> At the moment, we store message content in BDB Message Store in one chunk. On
> content saving we create a byte array and copy content bytes from a direct
> memory into heap in order to save that on disk. As result, the message
> content is fully duplicated in direct memory and heap. Such implementation
> causes an extensive and inefficient heap usage on storing of big messages
> which might cause OOM errors due to heap consumption on message saving. We
> can optimize heap memory usage by saving message in chunks with a size equal
> to Direct Byte Buffer size which is used to hold content in the direct
> memory.
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