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搭建高可用mongodb集群(四)—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...个数据表 Collection1 存储了 1T 数据,压力太大了!在分给4个机器后,每个机器都是256G,则分摊了集中在一台机器的压力。也许有人问一台机器硬盘加大一点不就可以了,为什么要分给四台机器呢?不要光想到存储空间,实际运...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

... edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Feb 25 '10 at 17:17 ...
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?

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What is Ember RunLoop and how does it work?

... | edited Sep 23 '14 at 12:49 George Garchagudashvili 6,2891212 gold badges3838 silver badges5353 bronze badges ...
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How to scroll the window using JQuery $.scrollTo() function

... | edited Jun 9 '11 at 17:42 bdukes 131k1919 gold badges136136 silver badges170170 bronze badges answere...
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Difference between a Postback and a Callback

... 204 A Postback occurs when the data (the whole page) on the page is posted from the client to the se...
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How does deriving work in Haskell?

...| edited Jan 26 '16 at 10:40 Lii 9,43055 gold badges5151 silver badges7070 bronze badges answered Oct 5 ...
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?

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Git - Difference Between 'assume-unchanged' and 'skip-worktree'

... 694 You want skip-worktree. assume-unchanged is designed for cases where it is expensive to check w...
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How to extract numbers from a string in Python?

...nly positive integers, try the following: >>> str = "h3110 23 cat 444.4 rabbit 11 2 dog" >>> [int(s) for s in str.split() if s.isdigit()] [23, 11, 2] I would argue that this is better than the regex example because you don't need another module and it's more readable because you d...