[jira] Updated: (QPID-949) Implement Flow To Disk

["Martin Ritchie (JIRA)" <qp...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Ritchie updated QPID-949:
--------------------------------

    Status: Ready To Review  (was: In Progress)

> Implement Flow To Disk
> ----------------------
>
>                 Key: QPID-949
>                 URL: https://issues.apache.org/jira/browse/QPID-949
>             Project: Qpid
>          Issue Type: New Feature
>          Components: Java Broker
>    Affects Versions: M2.1
>            Reporter: Marnie McCormack
>            Assignee: Martin Ritchie
>             Fix For: M5
>
>
> Currently, the Java Broker can do one of two things with a message it has to deliver: 
> 1. Keep transient messages in memory until delivered
> 2. Write persistent messages to a message store (like BDB) and keep in memory until delivery complete
> This means that the broker is not able to avoid OoM exceptions i.e. send enough messages to the broker, especially if your consumers are not active, and you could bring the broker done once it explodes its available heap.
> RG to add more details and design proposal here please :-)

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