lkml.org 
[lkml]   [2007]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: RFT: updatedb "morning after" problem [was: Re: -mm merge plans for 2.6.23]
    On Fri, Jul 27, 2007 at 01:47:49AM -0700, Andrew Morton wrote:
    > What I think is killing us here is the blockdev pagecache: the pagecache
    > which backs those directory entries and inodes. These pages get read
    > multiple times because they hold multiple directory entries and multiple
    > inodes. These multiple touches will put those pages onto the active list
    > so they stick around for a long time and everything else gets evicted.

    I wonder what happens if you try that on ext2. There we'd get directory
    contents in per-directory page cache, so the picture might change...
    -
    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/

    \
     
     \ /
      Last update: 2007-07-27 10:57    [W:0.020 / U:89.500 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site