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HBase 学习笔记
HBase Feature:NoSQL: For improve scalability, HBase relaxes the ACID (Atomicity, Consistency, Isolation, Durability) properties.Wide-Column: billions of rows and millions of columns.Group rows into "regions" which define how table data is split over multiple nodes in a cluster. If a re...
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Drill
A Drill view can be used:To simplify complex queriesTo pull together data from multiple data sourcesLike a tableWith BI tools like TableauGive flexibility to data management
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Edge caching
Edge caching :refers to the use of caching servers to store content closer to end users. For instance, if you visit a popular Web site and download some static content that gets cached, each subsequent user will get served that content directly from the caching serve...
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[转]----How an object store differs from file and block storage?
First of all, let's revisit file and block storage to help define object storage. We know a file is typically structured in a file system, which is nothing more than a hierarchical way of organizing files so that an individual file can be located by describing the path to that file...