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#1: NOVELL 中国招聘 (SUSE Linux Support Engineer)

Posted on 2012-09-10 02:15:17 by hf

Opening Title: Technical Support Engineer I or II
Location: Beijing, P.R.China
Full/Part Time: Full-Time
Salary: Junior (TSE I) 9K+/Month, Senior (TSE II) 12K+/Month

Job Purpose:

As part of a large international support delivery organization, provide technical support to customers with solutions based on predominately Linux platforms . This includes both proactive and reactive technical support as well as occasional travel to customer sites within China. The position clearly requires exceptional troubleshooting skills, and outstanding customer communication skills.

Key Responsibilities:
* Troubleshoot and provide accurate and timely resolution to customer issues
* Prevent customer issues by writing technical documents and sending helpful technical information to customers
* Occasional customer on-site visits within China
* Document solutions to known issues

Candidate Profile:
* Degree in Computer Science, Electrical Engineering, Management of Information Systems OR equivalent knowledge gained from practical experience. Previous technical work experience is clearly preferred.
* Solid technical know-how related to current versions of SUSE Linux Enterprise Server 10/11.
* Fluent written and verbal communication in Chinese as well as good in one of the following language: English with strongest focus, Janpanese/Korean.
* Excellent analytical, troubleshooting, communications, and public relations skills necessary.
* Solid Linux technical know-how, preferably with NCLA/NCLP, RHCE, LPI Level 1 or CompTIA Linux + qualification.
* Must have excellent customer handling skills and be used to working in environments with high levels of stress, dealing with complex technical issues whilst managing customer expectations during systems down situations.

Please send your resume both in Simplified Chinese and English to mhou@novell.com
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※ 来源:・水木社区 http://newsmth.net・

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#2: Re: 有在内核态实现的分布式文件系统吗?

Posted on 2012-09-10 03:19:51 by fsdev



集群文件系统/分布式文件系统/网络文件系统/并行文件系统,这些概念,只是对结构特点的总结,而某些文件系统又往往同时兼备很多特性,因此并未明确区分或定位,只是随着场合的不同,强调不同的重点而已。

【 在 liuml07 (以梦为马) 的大作中提到: 】
: 我是这么理解的。
: 首先分布式文件系统可以简单的理解成为网络文件系统,和本地文件系统(如EXT4)对应。并行文件系统除了具备“网络”这个特性之外,相对于其他分布式文件系统来说,具有多个进程协同、并发访问文件的特征。从而,并行文件系统拥有更细粒度的锁,支持并行的读写接口(如MPIIO),安装在专门的服务器上,和客户端松耦合,服务器间通过高速网络互联(InfiniBand),较为细致的数据条带化(在多个文件服务器间)等。并行是用来强调它可能拥有这些(或部分)属性。高性能计算(HPC)广泛采用此类系统,如Lustre, PVFS2等。
: 而我们常说的分布式系统,往往面向的是数据并行性比较好的程序,需要解决扩展性、故障恢复、数据备份等问题。因此系统的实现和搭建都与并行文件系统有显著差异,例如文件服务器往往参与计算,并尽量访问存放在本地的数据,部署于商用中小型主机,通过成熟的通用网络互联(千兆/万兆以太网)等。以Google为例的互联网公司,是这类系统较为知名的使用者。
: ...................

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※ 来源:・水木社区 http://newsmth.net・

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#3: Re: buddy算法需要多大的内存空间?

Posted on 2012-09-10 05:05:21 by anti-creditcard

是的,最大需要多少占用空间?

也就是说,不会对一个8k的内存请求,分配3、4、5、6连续内存页。

【 在 solofox (孑瓜犭虫白勺犭瓜犭里) 的大作中提到: 】
: 最大?最大是4G,最小是4K
: 不会,跟3,4不是buddy
: 不知道各位有没算过,如果data_bus_width=32, address_bus_width=32。
: ...................

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足以有别也。


※ 来源:・水木社区 http://newsmth.net・

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