Here's an example I did in python a long time ago 
http://www.mail-archive.com/user@cassandra.apache.org/msg04775.html

Call send() then select on the file handle, when it's ready to read call 
recv(). 

Or just add more threads on your side :)

Cheers


-----------------
Aaron Morton
Freelance Cassandra Consultant
New Zealand

@aaronmorton
http://www.thelastpickle.com

On 18/04/2013, at 2:50 AM, "Hiller, Dean" <dean.hil...@nrel.gov> wrote:

> Is cassandra-thrift-1.1.1.jar the generated code?  I see a send() and recv() 
> but I don't see a send(Callback cb) that is typicaly of true asynchronous 
> platforms.  Ie. I don't know when to call recv myself obviously if I am 
> trying to make astyanax truly asynchronous.
> 
> The reason I ask is we have a 100k row upload that with synchronous 20 
> threads takes around 30 seconds and with simulation, we predict this would be 
> done in 3 seconds with an asynch api as our threads would not get held up 
> like they do now.  I guess we can try to crank it up to 100 threads to get it 
> running a bit faster for now :( :(.
> 
> Thanks,
> Dean

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