lkml.org 
[lkml]   [2010]   [Aug]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Nigel's current for-rafael queue
    Hi.

    On 03/08/10 16:55, Pavel Machek wrote:
    > On Wed 2010-06-02 22:18:59, Nigel Cunningham wrote:
    >> Hi all.
    >>
    >> Here is my current patch queue.
    >>
    >> Taken together, the patches implement the separation of low level
    >> block i/o into a separate file, switch from using swap_map_pages
    >> to extents stores prior to the 'header' page and implement fully
    >> asynchronous (rather than batched I/O). I have only run it under
    >> VMware so far, but would estimate a doubling in speed due to the
    >> async i/o.
    >
    > Do you have any numbers from real hw? Could similar speedup be
    > accomplished by just increasing the batch size?

    Yeah. I've been thinking I should really prepend a patch that lets you
    get the stats post-resume - unless you guys have some trick to enable
    you to read them that I haven't noticed yet :)

    Nigel


    \
     
     \ /
      Last update: 2010-08-03 09:03    [W:0.019 / U:89.400 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site