I have cxf web service and i'm using Asynchronous method calls. I'm using
Callback approach ( using javax.xml.ws.AsyncHandler -
http://cxf.apache.org/docs/developing-a-consumer.html ) to get the response
as follows
Future<?> asyncResponse = myWebService.testMethodAsync(param, new
MyAsyncHandler());
This method works fine and I get the correct response.
My problem is the performance. I measured the time taken just for above line
and my application showing around 2000ms just for above line ( I did the
test using jmeter). My application is deployed in tomcat and stated unusual
delay happens after jmeter start nearly 50 threads. At the beginning of the
test delay is under 5ms. But after few minutes it suddenly reach to near
1000ms then vary between approximately 900ms to 2000ms for 97% of the
requests.
I did the same test using standalone java cxf async client instead web
application, but in that test above line always return under 5ms. Therefore
I'm suspecting, in my web application there might be problem with thread
scheduling ( because my web application do lot of other things while running
the test and i can not stop these services without making drastic changes)
OR is there any other problem here ? May be running out of thread pool used
by cxf async client ?
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