Problems of Basecamp Next caching architecture


26-03-2012 00:00 - Zdroj: php.vrana.cz
I wanted to write this post only as a comment to the article on 37signals blog but comments are closed there. Please read the article first. This caching architecture has two problems: It requires four times more caching hardware. Every piece of data is saved to the cache four times (based on the example, sometimes more or less). It doesn't scale for writes. If data on lower levels are inserted/updated too often then the cache on high level needs to be invalidated and recreated also often. It can result in a situation where this high level cache is written only to be deleted the same second which will actually slow down the application. Both of these problems are probably not a big deal for Basecamp Next as the writes are not so frequent and 37signals have enough money for the hardware. But they can be serious for other projects trying to use this architecture. - Pokračovat...
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