I have recently been using Brendan Meutzner's excellent Flex charting clone of 
Google 
Finance to display scientific time series data. Now I am trying to find a good 
server side 
solution to filling it with data. Specifically I want to be able to store a 
very large data set (as 
file refs or BLOBs) in a database, query the database for a specific time chunk 
within the set, 
package that for sending to the Flex client, and do paging if the chunk is 
large.

So I am looking for suggestions on: how to implement this, what server/database 
combos to 
use, etc. Would Flex (Live Cycle) Data Services be useful for something like 
this?  So far I have 
been looking at RRDTool <http://oss.oetiker.ch/rrdtool/> or using MySQL and 
just writing 
custom code to crawl a data set on the server side to produce the desired chunk 
and wrap it 
in xml. For RRDTool I would also have to modify it to use much smaller time 
steps.

This is a pilot project, but we hope it will eventually become a large 
repository for 
neuroscience data, so I am keeping scalability in mind as well.

Any help would be greatly appreciated.

Peter 

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