Your message dated Sun, 3 May 2020 22:03:47 +0200
with message-id <[email protected]>
and subject line Re: Bug#732054: util-linux: Add cron job for regular SSD
trimming
has caused the Debian Bug report #732054,
regarding util-linux: Add cron job for regular SSD trimming
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732054: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732054
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--- Begin Message ---
Package: util-linux
Version: 2.20.1-5.5
Severity: wishlist
Hello,
Modern SSDs need regular TRIMming [1] to retain their performance.
Without it, write performance severely (like 1/50th) goes down over
time, as writing a single block incurs reading/updating/writing back
several physical blocks.
There are two main methods for doing this, synchronously using the
"discard" mount option or asynchronously using fstrim [2]. Colin King did
some extensive benchmarking and found that on desktops and servers you
usually want a cron'ed fstrim [3].
I propose to add a cron.d job to util-linux by default which regularly
trims SSD partitions if they support it and don't already have the
"discard" mount option set. We'll put a cron job like that into the
upcoming Ubuntu 14.04 LTS so that this kind of housekeeping will
always be done unless the admin already set it up manually.
Is that something you'd consider for Debian as well? My current script
is at [4], you can just put it into /etc/cron.daily/ or .weekly/ (but
for an official fix I'd rather use cron.d, so that it's easier to
adjust by admins)
Thanks,
Martin
[1] http://en.wikipedia.org/wiki/Trim_%28computing%29
[2] http://en.opensuse.org/SDB:SSD_discard_%28trim%29_support
[3] https://blueprints.launchpad.net/ubuntu/+spec/core-1311-ssd-trimming
[4] http://people.canonical.com/~pitti/scripts/fstrim
--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
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--- Begin Message ---
* Martin Pitt <[email protected]> [200503 20:02]:
> I propose to add a cron.d job to util-linux by default which regularly
> trims SSD partitions if they support it and don't already have the
> "discard" mount option set. We'll put a cron job like that into the
> upcoming Ubuntu 14.04 LTS so that this kind of housekeeping will
> always be done unless the admin already set it up manually.
AFAICT this has happened.
If there are further discussions concerning the installer, please
find the installer folk.
Thanks,
Chris
--- End Message ---
