good one, thx
On Monday, November 5, 2012 5:30:11 PM UTC+8, Dustin wrote: > > allister ke <allis...@gmail.com <javascript:>> writes: > > > For example, I want to get the data and clear it at the same time. > > DELETE after GET is not good, since it loses data when many > > connections are also getting and deleting. > > You can easily achieve the same semantic results. > > In the binary protocol, you can get with CAS and then delete with CAS > and confirm both: > > a) You deleted the thing you got. > b) You were the only client to have done so. > > If the deletion succeeds, you were the only one to observe this value > and nobody else can. If the deletion fails, you ignore the value you > retrieved. > > -- > dustin > >
