Google Cloud Platform Blog
Dedicated memcache preview now available on Google App Engine
Thursday, July 18, 2013
Yesterday we
announced
that
dedicated memcache is in Preview
. Now you can purchase in-memory data caching capacity exclusively for your application, cache more data and drive up cache hit rates. With higher cache hit rates, dedicated memcache can also reduce Datastore costs and make your application faster than ever. Dedicated memcache has been one of the top 100 features requested by App Engine customers.
With the 1.8.2 release, App Engine now has two classes of memcache service. Dedicated memcache is available in addition to the shared memcache service that has been offered on App Engine for years. No code changes are required when moving to dedicated memcache. Compared to the shared memcache service, dedicated memcache provides developers control over the cache space and performance available to an app.
Bobby Murphy at
Snapchat
, the rapidly growing mobile photo sharing application, said “We love dedicated memcache and it's already made a big impact on our business. Besides being able to reduce our costs substantially, our hit rates are up to the high 80s.”
By default, applications will continue to use shared memcache, and it will continue to be free. Starting today, billing enabled applications can select dedicated memcache on the
App Engine admin console’s
application settings page. With dedicated memcache, applications purchase a fixed capacity of RAM and operations-per-second just for that application. This gives developers the ability to plan for the needs of their applications. At this time, there is one class of dedicated memcache available:
Price
12 cents per GB per hour
Self Service Capacity
1 to 20 GB
Performance
Up to 10,000 operations per second per GB for items < 1KB
If you need more than 20GB, please contact us at
cloud-accounts-team@google.com
.
In addition to dedicated memcache, with the
1.8.1 release
we added memcache operations per second monitoring for all memcache classes to the App Engine dashboard.
Stay tuned for more improvements to the memcache service over the coming months. As always, we’re interested in hearing where you’d like us to take caching on App Engine via the comments and the App Engine
feature request tracker
.
- Posted by Logan Henriquez, Product Manager
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