[jboss-jira] [JBoss JIRA] Commented: (JBAS-2637) Reduce memory footprint of HAPartition's state transfer

[Brian Stansberry (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBAS-2637?page=comments#action_12341232 ] 
            
Brian Stansberry commented on JBAS-2637:
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 Once streaming state transfer is in place (JBAS-3515), that's the mechanism to ensure large states transfer effectively.

Also, in AS 5 only HASessionState uses ClusterPartition state transfer.

> Reduce memory footprint of HAPartition's state transfer
> -------------------------------------------------------
>
>                 Key: JBAS-2637
>                 URL: http://jira.jboss.com/jira/browse/JBAS-2637
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Clustering
>            Reporter: Brian Stansberry
>         Assigned To: Brian Stansberry
>   Original Estimate: 3 hours
>  Remaining Estimate: 3 hours
>
> HAPartitionImpl's state transfer mechanism marshalls state to a byte[] using java.io.ByteArrayOutputStream.  This memory-inefficient, as BAOS.toByteArray() makes a copy of the internal byte[]. Need to move class org.jboss.cache.util.ExposedByteArrayOutputStream to jboss-common and use it instead.

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