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https://issues.apache.org/jira/browse/QPID-696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Ross closed QPID-696.
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> Performance ehnancement for TopicExchange
> -----------------------------------------
>
> Key: QPID-696
> URL: https://issues.apache.org/jira/browse/QPID-696
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Broker
> Environment: Any
> Reporter: Ted Ross
> Priority: Minor
>
> The current code in TopicExchange.cpp does a heap allocation per binding, per
> message. The following optimization removes the per-binding allocation and
> will improve performance particularly where there are many bindings on a
> topic exchange.
> Index: TopicExchange.cpp
> ===================================================================
>
> void TopicExchange::route(Deliverable& msg, const string& routingKey, const
> FieldTable* /*args*/){
> RWlock::ScopedRlock l(lock);
> + Tokens tokens(routingKey);
> +
> for (BindingMap::iterator i = bindings.begin(); i != bindings.end();
> ++i) {
> - if (i->first.match(routingKey)) {
> + if (i->first.match(tokens)) {
> Queue::vector& qv(i->second);
> for(Queue::vector::iterator j = qv.begin(); j != qv.end(); j++){
> msg.deliverTo(*j);
> }
> }
> }
> }
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