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https://issues.apache.org/activemq/browse/SMXCOMP-641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anto Paul updated SMXCOMP-641:
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    Attachment: smx-http-sa.zip

Service assembly with source.

> HTTP consumer delays sending response under load
> ------------------------------------------------
>
>                 Key: SMXCOMP-641
>                 URL: https://issues.apache.org/activemq/browse/SMXCOMP-641
>             Project: ServiceMix Components
>          Issue Type: Bug
>          Components: servicemix-http
>    Affects Versions: servicemix-http-2008.01
>         Environment: Windows, Intel Dual core desktop.
>            Reporter: Anto Paul
>         Attachments: smx-http-sa.zip
>
>
>    ServiceMix http consumer endpoint queues up all the responses until all 
> the requests are processed and response is sent as a batch at the end after 
> finishing processing all requests.. This happens when the no of request sent 
> is higher than configured thread pool and http endpoint is doing some time 
> taking operation to give the response.
>     To test this I configured servicemix core thread pool and max thread pool 
> to 2 and fired request from 10 HTTP client threads. The result is all the 
> response is returned after all the request processing is done. ie. first 
> client and last client gets the response at same time.
>     The test sa is     http consumer su --> MessageListener su. 
> send() method is used to send reply back to http consumer.
>     To simulate time delay in MessageListener, it sleeps for 3 sec. before 
> sending response back to http endpoint.
>     Though setting ServiceMix thread pool to a higher value than no of 
> concurrent requests solves this problem, this is not a permanent solution as
> increasing thread count has a limit.
>     This is a major issue for us. I spend lot of time debugging it and it 
> seems that a separate thread pool is needed to handle responses as all 
> threads are busy in handling requests.
> Tested this in Apache ServiceMix 3.2.1 and Fuse ESB 3.4.0.4 with SEDA flow.

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