What is RAS and how to use it?

Hi All,
In my apllication, i am displaying the report using JRC.
But it is too slow.
I heard that using RAS we can consume the time.
But i dont know anything about RAS.
Does it need any Jar?
does it need any report server?
and so on....
Can any help me to achieve the task.
Thanks in advance,
Saravanakumar.

RAS or Report Application Server offers services to modify report at runtime. To use it you need CR server or Enterprise level product. If you want to just view the report in an optimized way then you should rather use Page Server. To use Page server you again need Enterpriseserver level product and report in managed environment.
JRC can cause performance bottleneck but there are several other factors that influence report performance such as DB type, how complex ig the report is, how is grouping performed at server side or at Crystal etc. Also, if report takes longer to run the Designer it would take at least that much time to run in JRC application.
Look at the following link for Developer DocumentationAPI specification for RAS and Enterprise if you want to explore RAS option further.
https://www.sdn.sap.com/irj/boc/businessobjects-sdklibrary
Thanks
Aasavari

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