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From "Rob Davies (JIRA)" <>
Subject [jira] Resolved: (AMQ-493) Improve queue and durable subscription recovery performance.
Date Fri, 24 Nov 2006 20:01:02 GMT
     [ ]

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:
>             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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