How do I model a queue on top of a key-value store efficiently?

我如何模型上的键值存储有效的队列？

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HBase is a key value store akin to BigTable which stores data in Hadoop's DFS file system.

HBase是类似BigTable的键值存储模型，将数据存储于Hadoop的DFS文件系统。

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MongoDB is a lot more than just a basic key/value store. Let's take a brief look at some of its other features

MongoDB 不仅仅是一个基本的键/值对存储数据库，让我们简单地看一下它的其他特性

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The value of stock for the Montgomery Ward store dropped from eighty-three dollars to fifty in a single day.

VOA: special.2011.02.17

Here I actually need to tell the computer, "Give me some bytes in ram in which to store a value, and that value's going to be a floating point value."

这里我的确需要告诉计算机，“给我一些字节内存,来存储一个值，那个值将是,浮点型的数值“

哈佛公开课 - 计算机科学课程节选

And actually, if I don't want to clobber, as we say, overwrite the value of my variable, ; I could declare another one and store the return value in Y; Y so now I have two ints in memory; X and Y, 3 one with two, one with three.

实际上，如果你不想彻底清除，像我们说的，覆盖那个变量的值，我可以申明另一个变量Y，并在Y中保存那个返回值;,现在内存中有两个int数，X和，一个的值为2，一个为。

哈佛公开课 - 计算机科学课程节选

Redis is a relatively simple key-value store, but with a twist: values can be data structures (lists and sets), not just strings.

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"We don't know how to plan for it, " says Kathie Veasey, owner of a True Value hardware store in Wilmington, Del.

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