On my server-side i have an in-memory index that can return thousands of entries super fast. I wanted to implement paging to cut down the network traffic, but unable to emulate Matt Chotin's Large Data Sets example for Flex 2. So the next and easier solution is to use FDS. Even though it reduces network traffic tremendously, all the caching and redundant data takes up so much memory and crashes my server. The problem is when a user's query has 10K entries, all of that are cached server-side with FDS, and only 100's will be sent to the client as needed (FDS paging). Each user will likely have different set of queries, which used up all the memory server-side. This resulted in a so much slower response than straight polling. So now i'm going back to client-side polling and try to extend the dataGrid's dataProvider to add pagination, but it seems all the necessary methods (length, getItemAt) cannot be extended. Does anyone has a solution to this problem? Many Thanks Vu
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