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Re: nvme SSD and poor performance

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On 17/08/2021 15:03, Marco Möller wrote:
> I have no experience with SSD, but running my Debian Desktop from a USB
> Memory Stick since years, please allow me to share information which
> supports the suggestion of Linux-Fan to also investigate if there is
> extraordinary I/O taking place and maybe could be avoided:
> In the past I found extreme(!) I/O to be produced by Firefox, when it is
> writing its cache, and when it is writing its session restore
> information. These writes to my observation occure all the time, kind of
> nonstop! I could get it very satisfactorily reduced by applying a tool
> called "Profile Sync Daemon" (psd) from package "profile-sync-daemon".
> While it is packaged for Debian, as a starting point to study its
> documentation I suggest to better look it up in the Arch Linux Wiki.

Firefox setting which determines how often write session data to disk is:
browser.sessionstore.interval

Default setting is value of 15000 = 15 seconds, not that bad. But still
I changed that to 10 minutes (value of 600000). If I lose an open tab
once in a year when Firefox crashes, so be it. To be honest, I haven't
seen Fx crash in a year, or more.

--

With kindest regards, piorunz.

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⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
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nvme SSD and poor performance Pierre Willaime <pierre.willaime@univ-lorraine.fr> - 2021-08-17 12:10 +0200
  Re: nvme SSD and poor performance Dan Ritter <dsr@randomstring.org> - 2021-08-17 14:10 +0200
    Re: nvme SSD and poor performance Pierre Willaime <pierre.willaime@univ-lorraine.fr> - 2021-08-17 15:20 +0200
      Re: nvme SSD and poor performance Dan Ritter <dsr@randomstring.org> - 2021-08-17 16:10 +0200
      Re: nvme SSD and poor performance David Christensen <dpchrist@holgerdanske.com> - 2021-08-18 00:30 +0200
        Re: nvme SSD and poor performance Pierre Willaime <pierre.willaime@univ-lorraine.fr> - 2021-08-20 11:00 +0200
          Re: nvme SSD and poor performance Christian Britz <cbritz@t-online.de> - 2021-08-20 17:50 +0200
            Re: nvme SSD and poor performance Tixy <tixy@yxit.co.uk> - 2021-08-20 19:40 +0200
          Re: nvme SSD and poor performance Linux-Fan <Ma_Sys.ma@web.de> - 2021-08-20 19:20 +0200
          Re: nvme SSD and poor performance "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-08-20 19:50 +0200
            Re: nvme SSD and poor performance Pierre Willaime <pierre.willaime@univ-lorraine.fr> - 2021-08-23 10:50 +0200
              Re: nvme SSD and poor performance "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-08-23 14:10 +0200
                Re: nvme SSD and poor performance piorunz <piorunz@gmx.com> - 2021-08-23 14:20 +0200
          Re: nvme SSD and poor performance David Christensen <dpchrist@holgerdanske.com> - 2021-08-21 04:10 +0200
  Re: nvme SSD and poor performance Linux-Fan <Ma_Sys.ma@web.de> - 2021-08-17 15:40 +0200
    Re: nvme SSD and poor performance Marco Möller <talby@debianlists.mobilxpress.net> - 2021-08-17 16:10 +0200
      Re: nvme SSD and poor performance piorunz <piorunz@gmx.com> - 2021-08-20 18:30 +0200
        Re: nvme SSD and poor performance Marco Möller <talby@debianlists.mobilxpress.net> - 2021-08-20 19:20 +0200
          Re: nvme SSD and poor performance piorunz <piorunz@gmx.com> - 2021-08-20 20:10 +0200
    Re: nvme SSD and poor performance Christian Britz <cbritz@t-online.de> - 2021-08-17 17:30 +0200
      Re: nvme SSD and poor performance Linux-Fan <Ma_Sys.ma@web.de> - 2021-08-17 17:40 +0200
  Re: nvme SSD and poor performance Stefan Monnier <monnier@iro.umontreal.ca> - 2021-08-17 17:00 +0200
  Re: nvme SSD and poor performance Jochen Spieker <ml@well-adjusted.de> - 2021-08-18 22:00 +0200
    Re: nvme SSD and poor performance Anssi Saari <as@sci.fi> - 2021-08-19 08:10 +0200
      Re: nvme SSD and poor performance Sven Hartge <sven@svenhartge.de> - 2021-08-21 15:00 +0200

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