Example of RADOS AIO?

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Hi, 

Is there any example of asynchronous IO on RADOS (librados)? When I write some bytes to an object, I'm only interested on the ack, which means writes are applied to all the OSDs within the same placement group but not yet committed to the disks. I'll use this feature to write HBase journals. 

Thanks, 
Tatsuya 


--
Tatsuya Kawano (Mr.)
Tokyo, Japan

http://twitter.com/#!/tatsuya6502


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