Objective:
if u have very large sets of data say more than one mb of metrics. This you need to deliver it on line graph

Solution:
This is a premature solution as of now.

Go to:

http://bugs.adobe.com/jira/secure/IssueNavigator.jspa?pager/start=50

and search for

FLEXDMV-1901

u will get a solution, adobe it self find it difficult we are just programmers downlod the resolve solution and enjoy!!!

Thanks,
Navis Michael Bearly. J