Lazily Loading Queues
---------------------
Key: JBMQ-12
URL: http://jira.jboss.com/jira/browse/JBMQ-12
Project: JBoss MQ
Type: Task
Components: Persistence
Reporter: Adrian Brock
This is a major change that is the last obstacle to JBossMQ scalability.
The idea is that messages will only be loaded into the server when the
destination is activated
and then only part of the messages are loaded (enough to deal with the current
throughput).
An attempt was made to do this and committed on Branch JBoss_3_2_5_JBossMQ_Lazy
but the
work was abandoned. It does not deal with the more difficult problems.
In any case, the BasicQueues should be talking directly with the
PersistenceManager.
In fact, I would favour that the BasicQueue implementation is actually
pluggable and
determined by the PM to allow better optimization between these two important
layers.
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