[jboss-jira] [JBoss JIRA] Closed: (JBMESSAGING-1191) BDB PM memory usage
[ http://jira.jboss.com/jira/browse/JBMESSAGING-1191?page=all ]
Tim Fox closed JBMESSAGING-1191.
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Resolution: Out of Date
We don't use BDB any more
BDB PM memory usage
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Key: JBMESSAGING-1191
URL: http://jira.jboss.com/jira/browse/JBMESSAGING-1191
Project: JBoss Messaging
Issue Type: Task
Reporter: Tim Fox
Assigned To: Tim Fox
Fix For: 2.0.0 Beta
BDB JE copies any byte arrays and stores them in its cache.
This means the message payload can exist in two places in memory.
To avoid this, after persisting a P message, we can drop the payload, and lazily retrieve
it from the cache at delivery.
This technique may also provides a means to avoid paging..
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