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From "Gordon Sim (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Commented: (QPID-2104) Improved LVQ implementation
Date Wed, 06 Jan 2010 11:50:54 GMT

    [ https://issues.apache.org/jira/browse/QPID-2104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797080#action_12797080

Gordon Sim commented on QPID-2104:

The property used as the key should ideally be configurable also.

> Improved LVQ implementation
> ---------------------------
>                 Key: QPID-2104
>                 URL: https://issues.apache.org/jira/browse/QPID-2104
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Broker
>    Affects Versions: 0.5
>            Reporter: Gordon Sim
>            Assignee: Gordon Sim
> My view of what ideal 'LVQ' behaviour whould be like is that the 'queue'
> would really be more like a 'topic' where the last message for each key was
> always saved. Clients would subscribe to it and receive the last message
> published for each key and subsequently any updates (i.e. any new messages). I.e. the
consumers are always non-competing.
> Rob Godfrey also points out that if subscribers fall behind they need only be sent the
latest for every key (i.e. any superceded values  can be skipped).

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