Cleaner solution for master/slave using callbacks (or Behavior)
function beforeSave() {
$this->useDbConfig = 'master';
return true;
}
function afterSave() {
$this->useDbConfig = 'default';
return true;
}
function beforeDelete() {
$this->useDbConfig = 'master';
return true;
}
function afterDelete() {
$this->useDbConfig = 'default';
return true;
}
http://bakery.cakephp.org/articles/eagerterrier/2007/05/26/load-balancing-and-mysql-master-and-slaves-2
On Feb 10, 6:14 pm, ibejohn818 <[email protected]> wrote:
> This what I am using.
> ===
> class AppModel extends Model {
>
> public function save($data = null, $validate = true, $fieldList =
> array()) {
>
> $this->useDbConfig = 'master';
>
> $success = parent::save($data,$validate,$fieldList);
>
> $this->useDbConfig = 'default';
>
> return $success;
>
> }
>
> public function saveAll($data = null, $options = array()) {
>
> $this->useDbConfig = 'master';
>
> $status = parent::saveAll($data,$options);
>
> $this->useDbConfig = 'default';
>
> return $status;
>
> }
>
> public function updateAll($fields, $conditions = true) {
>
> $this->useDbConfig = 'master';
>
> $status = parent::updateAll($fields,$conditions);
>
> $this->useDbConfig = 'default';
>
> return $status;
>
> }
>
> public function delete($id = null, $cascade = true) {
>
> $this->useDbConfig = "master";
>
> $status = parent::delete($id,$cascade);
>
> $this->useDbConfig = 'default';
>
> return $status;
>
> }
>
> }
>
> ====
>
> For multiple Slaves you should use a load balancer to RoundRobin
> Balance the requests to your slaves.
>
> On Feb 10, 9:05 am, Okto Silaban <[email protected]> wrote:
>
> > That's what I'm trying to do.
> > I've setup 1 master and 2 slaves. But CakePHP doesn't support read & write
> > query separation.
> > So, do you have any information how can I split the read & write query?
> > *other than rewrite all my models
>
> > thanks.
>
> > On Wed, Feb 9, 2011 at 10:03 AM, Dr. Tarique Sani
> > <[email protected]>wrote:
>
> > > Have you split the reads and the writes?
>
> > > All the writes go to the master which is on a server of its own and
> > > the reads are from the slaves which are typically on the same machine
> > > as the webserver and of course use very aggressive caching
>
> > > Cheers
> > > Tarique
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