[ https://issues.apache.org/activemq/browse/AMQ-493?page=all ]
Rob Davies resolved AMQ-493.
----------------------------
Resolution: Fixed
Use optional Store cursor to page messages into the broker from the persistent
store
SVN revision 478967.
> Improve queue and durable subscription recovery performance.
> ------------------------------------------------------------
>
> Key: AMQ-493
> URL: https://issues.apache.org/activemq/browse/AMQ-493
> Project: ActiveMQ
> Issue Type: Improvement
> Components: Broker
> Affects Versions: 4.0
> Reporter: Hiram Chirino
> Assigned To: Rob Davies
> Fix For: 4.2.0
>
>
> The performance of recovering persistent messages for a queue or a durable
> consumer is not spectacular in our current implementation for several reasons:
> (1) Producers are paused while recovery is occuring.
> (2) All messages for the destination are unmarshalled and sometimes even
> kept in a list when they are recovered (causes scaleability issues)
> We should provide more of a lazy loading strategy where messages are only
> loaded based on consumer demand.
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