Simple questions from memcached newbie

NTPT NTPT at seznam.cz
Wed Oct 11 22:47:21 UTC 2006


and what about SQLITE as storage backend  ?
(just dumb question....)


>  ------------ Původní zpráva ------------
>  Od: Andy <memcached at thwartedefforts.org>
>  Předmět: Re: Simple questions from memcached newbie
>  Datum: 12.10.2006 00:37:10
>  ----------------------------------------
>  On Wed, 2006-10-11 at 12:45 -0700, Ask Bjørn Hansen wrote:
>  > On Oct 11, 2006, at 11:29 AM, Jeetendra Mirchandani wrote:
>  > 
>  > > Going a little off topic here, has somebody worked on writing a data
>  > > redundancy layer over memcached?
>  > >
>  > > What I would love to have is memcached servers talking to each other
>  > > maintaining replicas, so that even if a server goes down, the data is
>  > > not lost.
>  > 
>  > The default reply is "you want MySQL Cluster".
>  > 
>  > Since people keep wanting to use the memcached interface for this,  
>  > maybe MySQL Cluster (as in NDB) could be a storage backend for  
>  > memcached.
>  
>  The difference here is that memcached is at least an order of magnitude
>  easier to setup and maintain than MySQL cluster, and adding an
>  additional "storage backend" on memcached means you need to maintain two
>  sets of software (memcached and mysql cluster) rather than one (for no
>  advantage really, since NDB is a memory based store, just like
>  memcached) resulting in increased complexity.
>  
>  A memcached client interface on MySQL would help people transition,
>  ahem, away from memcached (or it might bring users into the fold).
>  
>  Memcached remains dead simple to setup and dead simple to use and dead
>  simple to make more "reliable", by either changing your client code to
>  make the client "smarter" (to send/try multiple servers, for example),
>  or by adding additional nodes to reduce the percentage of data on any
>  single node to whatever low amount you feel is appropriate.  These are
>  most definitely _virtues_ of memcached.
>  
>  -- 
>  Andy <memcached at thwartedefforts.org>
>  
>  
>  
>  


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