Chamikara Jayalath wrote:
Hi All,
I went through the Sandesha2 code to find out any places we can modify
or change to improve the overall performance. I thought following
improvements would be useful.
1. Caching initialized messages
Currently MessageInitializer.initialize() methods get called multiple
times for the Same message context (for example in Handlers, Invoker,
Sender etc ). Everytime this is called the RM object model get built
out of the SOAP envelope. But it will be better if we can cache this
object model once it is built.
How are you going to chache this? I am interested in figuring out how to
do that in C, but if you tell me how you plan for Java, that helps.
Thanks,
Samisa...
2. removing unnecessary repeated calls to the Storage Manager
There are times where the same data get obtained from the Storage
redundantly. This should be avoided and data should be cached and
reused whenever possible.
3. Making Sender and Invoker Thread pools
Currently Sender and Invoker are single threads. This is a bottleneck.
These should be made thread pools to concurrently invoke and send
messages.
4. msgNoPresentInList(String list, long no) method in Application
message processor.
This method is called for every application message. Current
implementetion has to be corrected to support a 'long' number of
messsage numbers and the implementation has to be optimized.
6. correct and optimize 'string to ArrayList' methods
SandeshaUtil.getArrayListFromString (String str);
SandeshaUtil.getArrayListFromMsgsString (String str);
5. Cleaning code
This includes remove unnecessary or repeated object creations (which i
found in some places :-) ), removing commented code, and adding some
more Javadocs, and some refactoring. The basic idea is to improve the
readability of the code.
Do you guys see any other areas that can be modified or changed to
improve the performace of the system ?
Chamikara
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