RAID & memcached

[Philip Neustrom]

After following-up, I think that what you may be looking for is
something like MySQL's HEAP table type (perhaps occasionally dumped to
disk for reliablity's sake -- I hope!) set up in a master-slate
environment.  I know that's what slashdot did a long time ago, see
http://krow.net/talks/mysql_slashdot_scaling/slide007.html.

--Phiilip Neustrom

On 2/7/06, BUSTARRET, Jean-Francois <JFBUSTARRET at tf1.fr> wrote:
> > > Has anyone played with RAID over memcached ?
> >
> > You don't want memcached.  memcached is an unreliable
> > distributed hash based cache. Doing anything more with it is like
> trying to
> > fit a square peg into a round hole.
>
> Why not ? That is not because it was not meant to do it that it would be
> a bad idea to do it.
> I know there are issues with memcached (ie concurrency), but there also
> are advantages (cost & performance being the main, I lack the first and
> need a lot of the second).
>
> > You might be better off writing something on top of Spread[1]
> > for group communication/reliability.
>
> Spread is fine, but last time I tried it, I did not manage to scale it
> to the level I needed (> 1000 writes/s).
>