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Performance optimization in Web Service code

Dixit Saurabh
Greenhorn

Joined: Jun 26, 2010
Posts: 5
Hello Guys,

I am working on web application, which open a pop up when it starts. Data required for this pop up come by webservice. This webservice execute query in DB and return a instance of UserDefined class. I get data from this userdefined instance.

Problem is: this web service is very slow, Some times I got response in appx. 10 second. I need to do some performance optimization in web service code. So Please suggest me, where I can optimize code?

Doubt: 1) It is a good practice to send directly object in web service response instead jason object or XML in web service response?
2) what should be waiting time for web service response?

Please reply.
Thanks in advance!!!
Saurabh
Praful Thakare
Ranch Hand

Joined: Feb 10, 2001
Posts: 614
very open ended question, you first need to find out whats taking long? I suspect it to be query but its just wild guess, try to mock (Dont call actuall db but send dumy object) the database call and see if there is improvement like wise mock each possible layer.
if client is web how are you passing object back? it has to be xml or json.

use some profiling tool to find out where is the bottleneck.

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It is sorta covered in the JavaRanch Style Guide.
 
subject: Performance optimization in Web Service code
 
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