memcached debate

andrew at andrew at
Fri Apr 20 02:31:25 UTC 2007

sure.  not ever gonna be as fast as normal mem... but my boss is
saying i'm crazy to try and access it super often.  says i'll flood
the network.

On 4/19/07, Perrin Harkins <perrin at> wrote:
> On 4/19/07, andrew at <andrew at> wrote:
> > Would it be possible to then use this distributed memory cache as if
> > it were internal memory and access each key many many times.  Say,
> > like 500 key hits every second.  Or, would network latency make this
> > impractical?
> Are you asking if it will be as fast an in-memory access to the data?
> No, it won't.  It's using TCP sockets across a network.  If your
> application depends on getting the kind of speed you have with
> in-memory access, then memcached alone will not be enough for you.  I
> don't think it's possible to come close to the speed of in-process
> access with an external cache.
> - Perrin

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