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BerylliumCacheBundle for Symfony2

It's memcache. You've seen it before. Now it's injectable to the DIC, and you don't have to write all this junk yourself. And it should also work with Amazon ElasticCache, as well as the MySQL Memcache Interface (new in MySQL 5.6).

The groundwork is also laid out for building alternate cache interfaces quickly - such as APC caching, or your own home-rolled filesystem cache.

Configuration

Step 1: Fetching

Add this to your deps file:

[BerylliumCacheBundle]
    git=http://github.com/beryllium/CacheBundle.git
    target=/bundles/Beryllium/CacheBundle

And then run the update vendors script:

bin/vendors install

Step 2: Configure autoload.php

Register the namespace like so:

# app/autoload.php

<?php

$loader->registerNamespaces( array(
  //...
  'Beryllium' => __DIR__.'/../vendor/bundles',
  ) );

Step 3: Configure the AppKernel

Add it to your AppKernel (this example assumes that CacheBundle is located in src/Beryllium/CacheBundle):

# app/AppKernel.php

<?php

    $bundles = array(
        //...
        new Beryllium\CacheBundle\BerylliumCacheBundle(),
    );

Configure your server list in parameters.ini:

beryllium_cache.client.servers["127.0.0.1"] = 11211

And then you should be good to go:

$this->get( 'beryllium_cache' )->set( 'key', 'value', $ttl );
$this->get( 'beryllium_cache' )->get( 'key' );

You might want to set up a service alias, since "$this->get( 'beryllium_cache' )" might be a bit long.

The Command Line

For a command line report of CacheClient statistics (assuming the cache client has a ->getStats method, which is not an interface requirement), you can do the following:

app/console cacheclient:stats

Example Output:

Servers found: 1

Host:    127.0.0.1:11211
	Usage: 0% (0.01MB of 64MB)
	Uptime: 344976 seconds (3 days, 23 hours, 49 minutes, 36 seconds)
	Open Connections: 15
	Hits: 26
	Misses: 29
	Helpfulness: 47.27%

Or, for extended information (the raw stats array), you can run with debugging enabled:

app/console cacheclient:stats --debug

Help is available, although brief:

app/console help cacheclient:stats

The Future

Currently there aren't any unit or functional tests. So that needs to be worked on.

More cache client implementations could be useful, if it turns out there's a demand for them.

And yes, the documentation needs to be more thorough as well. I've made some improvements, but it's still spotty at best.

Beyond that, who knows what the future might hold.

Additional Resources

MySQL InnoDB+Memcached API:

Amazon ElastiCache: