02 May '13, 8pm

Data Modeling in Performant Systems

Great stuff. Starting a new project and evaluating this vs. Ohm. Our target is primarily Redis but I could see Mongo in the future and like that this is ActiveModel based. However, echoing some of the above comments, it seems deficient in not only multi-get and transaction support but also is treating all of the stores as lowest common denominator key-value only, which makes Redis little more than disk-backed memcached. Redis is in fact much more funcitonal, for example storing objects as hashes and using set diff/union ops on ids for joins/collections. Are you serializing the entire object on every write, even if only one attribute changes? The simplicity of Adapter is pretty, but seems like it needs a few more primitives for the persistence layer to make best use of the stores.

Full article: http://www.railstips.org/blog/archives/2011/01/27/data-mo...

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