Atomic XOR or Atomic O_APPEND in memcached?

Dustin Sallings dustin at
Tue Sep 25 23:04:10 UTC 2007

On Sep 25, 2007, at 15:48 , webmaster at wrote:

> I am using memcached as a form of transactional memory for a
> distributed statistical datamining application, and I'm in desperate
> need of an atomic append or atomic xor operation.

	We've got some code floating around that may make it into the next  
release that implements an atomic CAS.  I wouldn't expect it to  
perform as well as an atomic xor, but it's a more general abstraction  
upon which an atomic xor would be pretty easy to implement.

Dustin Sallings

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