Re: cifs large write performance improvements to Samba

From: Hans Reiser (reiser_at_namesys.com)
Date: 12/16/04

  • Next message: Jesse Barnes: "Re: [PATCH] add legacy I/O port & memory APIs to /proc/bus/pci"
    Date:	Thu, 16 Dec 2004 10:58:07 -0800
    To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
    
    

    Marcelo Tosatti wrote:

    >
    >> I have not seen anyone
    >>doing that on Linux in an automated fashion (e.g running iozone
    >>automated every time a new 2.6.x.rc on a half a dozen of the fs - simply
    >>to verify that things had not gotten drastically worse on a particular
    >>fs due to a bug or sideffect of a global VFS change).
    >>
    >>
    >
    >Yes, we definately need that.
    >
    >
    >
    Andrew Morton is saying that iozone does things real apps don't do, that
    is, it dirties mmap'd pages enough to swamp the machine.

    Do you guys agree or disagree with that?

    Reiser4 needs iozone optimization work which we haven't bothered with yet.
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/


  • Next message: Jesse Barnes: "Re: [PATCH] add legacy I/O port & memory APIs to /proc/bus/pci"

    Relevant Pages

    • Re: cifs large write performance improvements to Samba
      ... > Andrew Morton is saying that iozone does things real apps don't do, ... > Reiser4 needs iozone optimization work which we haven't bothered with yet. ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: [patch] voluntary-preempt-2.6.8-rc2-L2, preemptable hardirqs
      ... I can no longer trigger XRUNs with bonnie, so I switched to iozone. ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: i2o driver and OOM killer on 2.6.9
      ... On Sat, 2005-06-25 at 19:28 +0900, Hiro Yoshioka wrote: ... > I got the following OOM killer on 2.6.9 by iozone. ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • 7.0-Beta 3: zfs makes system reboot
      ... While running iozone with the following call: ... I tested several optimizations as suggested in the ZFS Tuning Guide and several postings on this list. ... Now i have access to an Intel Woodcrest-System, it's a Xeon 5160 with 4GB RAM and 1xHD. ... This option makes iozone testing small record sizes for large files. ...
      (freebsd-current)