MySQL cluster vs memcached
mathurprateek at gmail.com
Fri Oct 13 14:27:44 UTC 2006
You would want to evaluate Mysql cluster properly before you use it.It has
high resource utilization especially memory and it keeps ur network busy by
just doing the replication.
I haven't heard much sucess with the mysql cluster as yet and it still is a
work in progress before it gains high use.
The livejournal pdf document mentioned above is a nice place to start for
On 10/13/06, Serhat Sakarya <serhat at sakarya.nl> wrote:
> On 10/13/06, Kevin Burton <burton at tailrank.com> wrote:
> > We really suffer from MySQL replication scalability issues. Basically
> > you can scale reads but not writes.......
> > I'm thinking of migrating some portions of our app to MySQL cluster
> > because basically it's an all memory DB and (in theory) should scale
> > linearly if we need to index more data.
> It's not going scale linearly in practice exactly because you're going to
> have writes and communication overhead between the nodes. With a memcached
> backend, you'll get much closer to actual linear scalability because there
> is no internal communication necessary.
> I would be looking more for the advantage of failover/reliability in
> clustering the DB backend and use memcached for the actual scalability.
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