hasKey?

[Kevin A. Burton]

Skylos wrote:

>I'd have to wonder, though - are you then going to query all the
>memcached servers in the cluster, individually, for the list of keys
>they have - which may be quite extensive... and the accompanied
>overhead in transmitting that list could be quite significant, times
>the number of servers you have.
>
>  
>
No... I know the key and I'd do the same routing that it normally does 
based on the mod offset.

>and then I've never looked at the code - does the individual servers
>even normally *keep* a list of available keys?  
>
Uh... I hope so... Its a hashtable right?

>I can't imagine they
>have any good reason to - they never iterate over their keys, why
>bother?  They're either in the data structure, or they're not....
>
>  
>
No... its a hashtable so I'll just see if I have an entry for the key 
for this box and if not then I know its not there.


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