Spanner is Google’s highly available global SQL database [CDE+12]. It manages replicated data at great scale, both in terms of size of data and volume of transactions. It assigns globally consistent real-time timestamps to every datum written to it, and clients can do globally consistent reads across the entire database without locking.
This leads to three kinds of systems: CA, CP and AP, based on what letter you leave out. Note that you are not entitled to 2 of 3, and many systems have ...
2022-07-12 20:05:18
150KB
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DB - Consistency Tradeoffs in Modern Distributed Database System Design
The CAP theorem’s impact on modern distributed database system design is more limited than is often perceived. Another tradeoff—between consistency and latency —has had a more direct influence on several well-known DDBSs. A proposed new formulation, PACELC, unifies this tradeoff with CAP.
2022-07-11 14:07:34
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模拟电子设计仿真；声学设计仿真，耳机设计仿真；喇叭设计仿真；TS参数建模仿真；下载直接解压后安装即可；
Download the CD and unzip it into a separate folder. Execute the setup.exe program to install the entire program including libraries, sample circuits, and manuals. Make sure you install to a non-write-protected folder. Note that Windows Program Files is a write-protected folder, so install somewhere else.
2022-07-10 20:25:54
57.63MB
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网上很多手机号字典都是11年以前的，如今运行商放出了很多号段，自己整理截止14年9月放出的所有号段全部给加上去了，应该是现时最全的手机号字典。
2022-07-06 00:27:03
1.28MB
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