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is “Microsoft’s internal data storage/query for analyzing enormous amounts (as in petabytes) of data”.

是“ Microsoft的内部数据存储/查询用于分析大量数据（以PB为单位）”。

There is no /technical report about Cosmos published yet. I compiled a list of information about Cosmos on the Web as follows.

尚无有关Cosmos的 /技术报告发表。 我在网上汇编了有关Cosmos的信息列表，如下所示。

by Yaron Y. Goland.

由Yaron Y. Goland。

by Seth Eliot.

Seth Eliot 。

by Pat Helland.

Pat Helland撰写的《 。

What Is COSMOS?

什么是COSMOS？

• • About 62 physical petabytes stored (~275 logical petabytes stored)
    大约存储了62 PB的物理PB（已存储约275 PB的逻辑PB）
  • Tens of thousands of computers across many datacenters
    跨多个数据中心的数万台计算机
• • Similar to MapReduce but can represent arbitrary DAGs of computation
    与MapReduce相似，但可以表示任意DAG计算
  • Automatic computation placement with data
    自动计算数据放置
• • SQL-like language with set-oriented record and column manipulation
    类似SQL的语言，具有面向集的记录和列操作
  • Automatically compiled and optimized for execution over Dryad
    自动编译和优化以在Dryad上执行
• • Buy your machines and give them to COSMOS
    购买您的机器并将其交给COSMOS
  • Guaranteed that many compute resources
    保证许多计算资源
  • May use more when they are not in use
    不使用时可能会使用更多
• • Combining knowledge from different datasets is today’s secret sauce
    融合来自不同数据集的知识是当今的秘密

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