lkml.org 
[lkml]   [2005]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Memory pressure handling with iSCSI
    Badari Pulavarty <pbadari@us.ibm.com> wrote:
    >
    > After KS & OLS discussions about memory pressure, I wanted to re-do
    > iSCSI testing with "dd"s to see if we are throttling writes.
    >
    > I created 50 10-GB ext3 filesystems on iSCSI luns. Test is simple
    > 50 dds (one per filesystem). System seems to throttle memory properly
    > and making progress. (Machine doesn't respond very well for anything
    > else, but my vmstat keeps running - 100% sys time).

    It's important to monitor /proc/meminfo too - the amount of dirty/writeback
    pages, etc.

    btw, 100% system time is quite appalling. Are you sure vmstat is telling
    the truth? If so, where's it all being spent?

    -
    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: 2005-07-26 20:37    [W:3.021 / U:0.700 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site