dynamo tutorial

transferred from: http://blog.jqian.net/post/dynamo.htmlDynamo is a highly available distributed KV system developed by Amazon and has a proven application in the Amazon store's back-end storage. It features: Always writable (99.9% According to the CAP principle (consistency, availability, Partition tolerance), Dynamo is an AP system that only guarantees eventual consistency.Three main concepts of Dynamo:

transferred from: http://www.letiantian.me/2014-06-16-dynamo-algorithm-protocol/Dynamo is a distributed key-value system for Amazon, with no master-slave concept and consistent data consistency. Apache Cassandra reference its implementation method.Consistent HashYou can refer to the consistency hash for the specifics of a consistent hash.Fault tolerantBecause of the use of a consistent hash, a node in a

For similar applications, we should try to be compatible with industry-renowned implementations in terms of the protocol, which not only facilitates user grabbing, but also avoids some possible problems with self-developed protocols. Amazon dynamo dB uses the JSON protocol. The format is concise, but the processing of JSON itself may be time-consuming, especially serialization/deserialization. Amazon's choice of this is a compromise. Http://docs.ama

How to create a hollow cylindrical surface using the dynamo for Revit.The effect is as follows: Right-click on the New tab to open more clearly. (The nodes have been grouped and commented)Code in the Python node (the largest of the surface area of the input): Import CLR CLR. AddReference (' Protogeometry ') from Autodesk.DesignScript.Geometry Import * #The inputs to this node would be stored as a list in the variables. Dataenteringnode = in surfaces

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