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[News] A Look at Linux User Space File Systems, Btrfs Benchmarks

  • Subject: [News] A Look at Linux User Space File Systems, Btrfs Benchmarks
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Fri, 25 Jun 2010 12:14 +0100
  • Followup-to: comp.os.linux.advocacy
  • Newsgroups: comp.os.linux.advocacy
  • User-agent: KNode/4.4.2
Hash: SHA1

User Space File Systems

,----[ Quote ]
| Examples of FUSE File Systems
| There are many examples of file systems that 
| use FUSE. Sometimes FUSE is used for 
| prototyping or testing file systems or it is 
| used as the file system itself. It is beyond 
| the scope of this article to list all of 
| them or even a good chunk of them, but some 
| that you might recognize (or might not) 
| include:
|     * SSHFS This is a file system client 
|     that can mount and interact with 
|     directories and files on a remote system 
|     using sftp. Very handy file system for 
|     mounting remote file systems.
|     * GmailFS This FUSE based file system 
|     was written to use Googleâs email 
|     storage as a file system. Originally it 
|     used the gmail web interface but this 
|     kept changing. The previous link takes 
|     you to a new version of GmailFS that 
|     uses IMAP to use the gmail email space 
|     as a file system. One of the interesting 
|     aspects of this file system is that itâs 
|     written in Python.
|     * EncFS This FUSE based file system 
|     provides an encrypted file system for 
|     Linux. For a discussion about encrypted 
|     file systems and Linux please read this.
| [...]


Testing Out Btrfs In Ubuntu 10.10

,----[ Quote ]
| The performance of Btrfs has certainly 
| improved a great deal since it was first 
| introduced in the mainline kernel back with 
| the Linux 2.6.29 release in early 2009. 
| Today's tests show that even with old 
| hardware both when it comes to the processor 
| and disk drive that even still Btrfs manages 
| to perform well both with its default mount 
| options and then again when taking advantage 
| of the transparent compression support. 
| Beyond the quantitative disk results, Btrfs 
| also provides other advantages like with the 
| system rollback support as being worked on 
| in Fedora and solid state drive (SSD) 
| optimizations. We are also exploring Btrfs 
| in other ways at Phoronix to tie it into 
| Phoromatic for some rather unique and 
| interesting test capabilities.
| It is good to see Canonical now pushing the 
| Btrfs installation support into Ubuntu 10.10 
| after it has been available as an option in 
| Fedora for more than a year now and is even 
| the default file-system with MeeGo. For 
| those interested in trying out this file-
| system, we certainly would recommend it and 
| we look forward to its continued adoption.



Where The Btrfs Performance Is At Today

,----[ Quote ]
| For testing we used a ZaReason Verix notebook
| that we are currently reviewing. This notebook
| that is based upon an MSI MS-1656 has an Intel
| Core i7 Q720 processor, 6GB of system memory,
| an 80GB Intel SSDSA2MH08 SSD, and a NVIDIA
| GeForce GTS 250M GPU. We loaded Ubuntu 10.04
| LTS on this powerful notebook with the Linux
| 2.6.35-rc1 kernel while continuing to use
| X.Org Server 1.7.6, GCC 4.4.3, and the GNOME
| 2.30.0 desktop.

Version: GnuPG v1.4.10 (GNU/Linux)


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