Hi Daniel.  I take it you are an RRD4J user?

I didn't see anything in the "performance issues" area that would help.  Please 
let me know if I'm missing something:

- The default of RRD4J is to use NIO backend, so that is already in place.

- Pooling won't help because there is almost never a time when an RRD file will 
be accessed simultaneously.

- I'm using trial and error when it comes to the recsize right now, so I'll 
post back with my results.  Right now, it looks like a higher recsize is better 
(16k better performance than 8k, etc) which is strange, but I'm not done yet.
 
 
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