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anonymous

POSIX IO Must Die! | Linux Magazine - 0 views

www.linux-mag.com/2

linux posix hpc storage trends

shared by anonymous on 20 Aug 10 - Cached
  • anonymous on 20 Aug 10
     
    POSIX IO Must Die! POSIX IO is becoming a serious impediment to IO performance and scaling. POSIX is one of the standards that enabled portable programs and POSIX IO is the portion of the standard surrounding IO. But as the world of storage evolves with greatly increasing capacities and greatly increasing performance, it is time for POSIX IO to evolve or die.
Djiezes Kraaijst

Computerworld - The A-Z of Programming Languages: BASH/Bourne-Again Shell - 0 views

www.computerworld.com.au/...d;1591223321;fp;16;fpid;1;pf;1

bash interview linux programming ramey shell unix

shared by Djiezes Kraaijst on 31 May 08 - Cached
  • Interviews The A-Z of Programming Languages: BASH/Bourne-Again ShellWhen the Bourne Shell found its identity
  • in this article we chat to Chet Ramey about his experience maintaining Bash.
  • In BASH's case, the problem to be solved was a free software version of the Posix standard shell to be part of the GNU system.
  • ...3 more annotations...
  • the original Bourne Shell was very influential, the various System V shell releases preserved that heritage, and the Posix committee used those versions as the basis for the standard they developed. Certainly the basic language syntax and built-in commands are direct descendants of the Bourne Shell's. Bash's additional features and functionality build on what the Bourne shell provided. As for source code and internal implementation, there's no relationship at all
  • Bash will continue to evolve as both an interactive environment and a programming language. I'd like to add more features that allow interested users to extend the shell in novel ways. The programmable completion system is an example of that kind of extension.
  • Do you have any advice for up-and-coming programmers? Find an area that interests you and get involved with an existing community. There are free software projects in just about any area of programming. The nuts-and-bolts -- which language you use, what programming environment you use, where you do your work -- are not as important as the passion and interest you bring to the work itself.
  • Djiezes Kraaijst on 31 May 08
     
    an interview with Chet Ramey, maintainer of the bash-shell
Yi Wang

Castle: Reinventing Storage for Big Data: OSCON 2011 - O'Reilly Conferences, July 25 - ... - 0 views

www.oscon.com/...21529

Castle storage file system linux

shared by Yi Wang on 28 Jul 11 - No Cached
  • The standard Linux storage stack wasn’t designed for write-heavy big data workloads, nor is it well-suited to modern hardware: large, slow SATA disks, SSDs or many cores. Castle, an open-source project, is a ground-up overhauling of RAID, file systems, and the POSIX interface. It is released under the GPL and runs as part of the Linux kernel. Our target is 1 million random inserts per second to disk on a $1,000 commodity box, and we’re nearly there. Castle is also the core of the Acunu Data Platform, which delivers up to 100x higher performance for applications written for Cassandra and other tools.
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