lkml.org 
[lkml]   [2023]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [External] Re: [PATCH v3] blk-throtl: Introduce sync and async queues for blk-throtl
    From


    在 2023/1/7 上午12:58, Tejun Heo 写道:

    >
    > Jinke, is the case you described in the original email what you actually saw
    > in production or a simplified test case for demonstration? If the latter,
    > can you describe actual problems seen in production?
    >
    > Thanks.
    >

    Hi

    In our internal scenario, iocost has been deployed as the main io
    isolation method and is gradually spreading。

    But for some specific scenarios with old kernel versions, blk-throtl
    is alose needed. The scenario described in my email is in the early
    stage of research and extensive testing for it. During this period,some
    priority inversion issues amoug cgroups or within one cgroup have been
    observed. So I send this patch to try to fix or mitigate some of these
    issues.

    Thanks

    Jinke

    \
     
     \ /
      Last update: 2023-03-26 23:31    [W:2.766 / U:0.120 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site