Re: weird performance issue

[bsolrac]

Ulhas Bhole wrote:
> 
> bsolrac wrote:
>> bsnyder wrote:
>>   
>>> On Fri, Jul 25, 2008 at 4:37 PM, bsolrac
>>> <[EMAIL PROTECTED]>
>>> wrote:
>>>     
>>>> setup
>>>>
>>>>
>>>> servicemix version: 3.1.2 web app
>>>> application server: JBoss 4.2.2
>>>>
>>>> We have a web service deployed on jboss instance A
>>>> We have service mix deployed on jboss instance b
>>>>
>>>> Jboss A is on server A
>>>> Jboss B is also on server A
>>>>
>>>> Scenario
>>>>
>>>> 1. Application sends xml (in/out mep) over http/soap to servicemix
>>>> 2. ServiceMix checks content via EIP ContentBasedRoutingRule
>>>> 3. Routes the xml to HTTP JBI component
>>>> 4. HTTP JBI component sends xml over HTTP/SOAP to web service
>>>> 5. Web service returns output
>>>> 6. servicemix returns output
>>>>
>>>> Service mix Configuration
>>>>
>>>>
>>>> flow=seda
>>>>
>>>> &lt;sm:executorFactory&gt;
>>>> &lt;bean
>>>> class="org.apache.servicemix.executors.impl.ExecutorFactoryImpl"&gt;
>>>> &lt;property name="defaultConfig"&gt;
>>>> &lt;bean
>>>> class="org.apache.servicemix.executors.impl.ExecutorConfig"&gt;
>>>> &lt;property name="corePoolSize" value="180"/&gt;
>>>> &lt;property name="maximumPoolSize" value="-1"/&gt;
>>>> &lt;property name="queueSize" value="1024"/&gt;
>>>> &lt;property name="keepAliveTime" value="180000"/&gt;
>>>> &lt;/bean&gt;
>>>> &lt;/property&gt;
>>>> &lt;/bean&gt;
>>>> &lt;/sm:executorFactory&gt;
>>>>
>>>> Issue
>>>>
>>>>
>>>> We are recieving 50 concurrent requests in service mix but service mix
>>>> is
>>>> only sending a maximum of 15 concurrent requests to the web service.
>>>>
>>>> Any clue where the issue is ?
>>>>
>>>> We are going to try switching flow type to st instead of seda.
>>>>       
>>> Have you tried adjusting the thread pools yet?
>>>
>>> http://servicemix.apache.org/thread-pools.html
>>>
>>> There's also some additional explanation that I provided on the thread
>>> pool executor on the mailing list that is available here:
>>>
>>> http://markmail.org/search/?q=servicemix+executor+bruce#query:servicemix%20executor%20bruce+page:1+mid:sxwofyw5r3s3627b+state:results
>>>
>>> Bruce
>>> -- 
>>> perl -e 'print
>>> unpack("u30","D0G)[EMAIL PROTECTED]&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
>>> );'
>>>
>>> Apache ActiveMQ - http://activemq.org/
>>> Apache Camel - http://activemq.org/camel/
>>> Apache ServiceMix - http://servicemix.org/
>>>
>>> Blog: http://bruceblog.org/
>>>
>>>
>>>     
>>
>> Had a look at the docmentation but still something i dont understand. If
>> we
>> have 50 concurrent requests coming into service mix and my corepoolsize
>> is
>> set to 180 and the maximum is set to -1 in the executor default config
>> wouldnt that be enough threads to handle 50 concurrent requests ?
>>
>> Unless by using seda flow each individual request that is processed by
>> servicemix requires more than one thread ? Is that the case ? 
>>
>> Is there a basic rule of thumb for number of threads required to process
>> a
>> single request, for example: requests * JBI components involved * flow
>> type
>> constant
>>
>> Would using a st flow instead of seda reduce the number of threads
>> required
>> to process a individual request compared to seda ? If st flow is used is
>> a
>> single thread used for the entire request ?
>>
>> appreciate any clarification
>>   
> If you are talking about 15 concurrent requsets going from HTTP 
> component to external web service then I think it is to do with jetty 
> HttpClient ThreadPool size which by default is 16 ( out of which one is 
> timer thread and rest 15 are worker threads). so you might be seeing 15 
> request to web service.
> 
> If you use latest ServiceMix snapshot of ServiceMix 3.2  (or build your 
> own from latest source) you can configure the threadpool size for jetty 
> HttpClient by adding following line to component.properties file.
> 
> servicemix-http.jettyClientThreadPoolSize=<size you want>
> 
> Regards,
> 
> Ulhas Bhole
> 
> 
> ----------------------------
> IONA Technologies PLC (registered in Ireland)
> Registered Number: 171387
> Registered Address: The IONA Building, Shelbourne Road, Dublin 4, Ireland
> 
> 

excellent, however i am using the apache-servicemix-web-3.x.x war. The
properties file is not part of the war. can i reference it in the war ? if
not can i configure this in the applcation context xml or servicemix xml or
via jmx
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