1,为高性能计算(HPC)设计的文件系统,同为HPC所用的另外主要两类为网络文件系统(NFS)和存储区域网络(SAN)。世界500强诸多在用Lustre。 2,NFS适合底端100TB和高端1PB,存在单点故障问题,扩展性差。 3,SAN性能好,但价格昂贵。 4,30个高级工程师提供支持、服务和增强。 5,Lustre的架构可以用于不同的集群,70%用于HPC集群,支持万级客户端。IDC数
原创 2012-03-02 16:28:35
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https://learn.jquery.com/jquery-ui/widget-factory/why-use-the-widget-factory/ Writing jQuery plugins is as simple as adding a method to jQuery.prototy
转载 2019-06-24 18:04:00
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为什么需要关注Ceph在目前开源世界里多样的存储项目中,不同的项目都有侧重点,而它们最终都是要为企业的IT基础设施服务。那么企业IT基础设施经理们到底需要怎么样的存储,它们的需求得到满足了吗?作者尝试根据对企业级存储产品的调研归纳出如下图。图一从上图我们可以了解到存储接口需求、扩展、运维和成本构成了企业级存储产品的四大中心。几乎所有的存储产品包括硬件(存储一体机,SAN)和软件都致力于在这个方面强
转载 精选 2013-10-25 09:17:36
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See the current implementaion of code, we have a smart component, and inside the smart component we are using both 'serivce' and 'store'. In the large
转载 2017-01-25 03:15:00
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Why use strong named assemblies? Let me list the benefits of strong naming your assembly first: Strong naming your assembly allows you to include your
转载 2020-04-20 13:30:00
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Why use a public method in an internal class? UPDATE: This question was the subject of my blog in September 2014. Thanks for the great question! There
转载 2020-06-02 15:40:00
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Why use a public method in an internal class? UPDATE: This question was the subject of my blog in September 2014. Thanks for the great question! There
转载 2020-03-31 16:11:00
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Why would I want to use an ExpressionVisitor? There was a issue where on the database we had fields which contained 0 or 1 (numeric), and we wanted to
sed
转载 2019-09-24 19:05:00
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Why does one use dependency injection? 回答1 I think a lot of times people get confused about the difference between dependency injection and a dependen
转载 2020-03-27 19:41:00
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本文出自Simmy的个人blog:西米在线 http://simmyonline.com/archives/72.html   It's common to know that DNS use both protocal UDP and TCP for data transmission,but why and how ?   here's the note &nbs
原创 2008-12-26 12:03:03
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1 factory pattern本质上就是对对象创建进行抽象 抽象的好处是显然
转载 2017-02-23 20:46:00
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本地缓存也是缓存代理的一部分。 请求时使用Cache-Control 表示缓存的使用策略。 请求头里的no-cache表示浏览器不想读缓存,并不是说没有缓存。一般在浏览器按ctrl+F5强制刷新时,请求头里就有这个no-cache,也就是跳过强缓存和协商缓存阶段,直接请求服务器。(如果直接按F5的话
转载 2017-12-21 23:44:00
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Created by Wang, Jerry on Feb 03, 2017我理解是在ABAP和Open SQL中不推荐使用CDS database view,而是用CDS entity。CDS Entity的限制是不能被用来定义其他ABAP Dictionary对象,比如as the row type of a table type.from sap help有一篇非官方的文档上说是因为...
原创 2022-04-14 15:48:07
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Kernel Korner - Why and How to Use Netlink SocketBy Kevin He on Wed, 2005-01-05 02:00. SysAdmin Use this b...
转载 2006-11-30 21:51:00
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Created by Wang, Jerry on Feb 03, 2017我理解是在ABAP和Open SQL中不推荐使用CDS database view,而是用CDS entity。CDS Entity的限制是不能被用来定义其他ABAP Dictionary对象,比如as the row type of a table type.from sap help有一篇非官方的文档上说是因为...
原创 2021-07-14 22:43:36
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Kernel Korner - Why and How to Use Netlink SocketBy Kevin He on Wed, 2005-01-05 02:00. SysAdmin Use this bidirectional, versatile method to pass data between kernel and user space.Due to
转载 2021-07-27 09:59:08
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前言最近写了点rankboost相关的代码,发现当weaklearner比较多且数据量巨大的时候,单纯的利用python+sklearn+numpy来fit是非常慢的,就想到了之前用过的cython,写完之后果然效率飞起啊。但是为什么python如此之慢呢?我这个菜鸡还是需要学习一下的。。。Why python is slow?归根结底,python是一种动态类型的解释性语言,它的值并不是存储在密
转载 2023-12-04 15:13:16
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转自:://.learnopencv./why-does-opencv-use-bgr-color-format/ One of the elements of good design is the principle of least astonishment ( a.k.a
转载 2018-01-31 21:14:00
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转自:https://dev.to/alagrede/why-i-dond.
转载 2018-10-24 11:28:00
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Up until 10.1, MariaDB used Percona XtraDB as the default 'InnoDB' storage engine. Fr
翻译 2022-09-14 10:03:03
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