{ DreamFactory: 'Blog' }

New DreamFactory cache service supports Redis, memcached, and local storage

Posted by Joshua Curry

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Tue, Sep 6, 2016

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One of the most powerful features of DreamFactory is the ability to write server-side script in pre- and post-process events and use as a custom scripting service. This provides the ultimate flexibility and allows the platform to support all sorts of complex backend business logics. However, DreamFactory server-side scripts are stateless and their scope is gone once the original process is completed.

To allow for more flexibility in server-side scripts as well as to add a quick way of storing key-value pair data, DreamFactory 2.3 introduces the ‘Cache’ service. The Cache service supports three different types of cache backends.

  • Local file based cache
  • Redis cache
  • Memcached cache

Once the services are configured, all three types of cache backends use the same REST API interface to read, write, update, and delete the key-value pair data. Cache Services are native services of DreamFactory and are supported by features like role-service-access, lookup usage, live API documentation etc.

You can configure and use a cache service in a standalone way to store any number of key-value pair data and retrieve them as needed. This allows you to easily implement a server-side caching system for your client apps. But the real benefit of cache service can be realized in server-side scripting. In your DreamFactory server-side script, you can make API calls to your cache service just like you do that for any other services. This will allow you to temporarily (allowed by Cache TTL) or permanently store any data related to your script and then later use it in another script/process or even inside your client application.

Let’s take a closer look at this new Cache service and it’s usage. You can configure/provision a Cache service just like any other services using the DreamFactory Admin console -> Services tab. To learn more about the configuration, please see the wiki page.

Once you configure a DreamFactory Cache service, head over to the swagger API Documents by selecting the ‘API Docs’ tab on the Admin console. Your newly provisioned Cache service should now show up on the list of services there. Select your cache service to expand it. This will show you all the available APIs for your service. You can expand each of this API to get further details on their usage.

Redis service in Swagger

To learn more about the individual API and the options available, please see the Using Cache Service tutorial on the DreamFactory wiki.



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