[jira] Closed: (QPID-770) Cache results in Topic exchange from routingkey lookup.

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

     [ https://issues.apache.org/jira/browse/QPID-770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Ritchie closed QPID-770.
-------------------------------

    Resolution: Won't Fix

Not required as the new lookup is very quick. Performance can be gained easier elsewhere.

> Cache results in Topic exchange from routingkey lookup.
> -------------------------------------------------------
>
>                 Key: QPID-770
>                 URL: https://issues.apache.org/jira/browse/QPID-770
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Java Broker
>    Affects Versions: M2.1
>            Reporter: Martin Ritchie
>
> The current naive topic exchange in the java broker creates a lot of garbage for every message. In a production system that will have very small number of changes to the subscriptions it would be more efficient to cache the results of the routingkey lookup and so not have the garbage over head from parsing the routingkey.

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