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You may need more inodes if you store lots of emails locally in maildir format (was: Re: Buster Installation - Partition phase - Inode option to choose - SSD or Mechanical HD

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On Saturday, August 24, 2019 08:33:30 PM Rick Thomas wrote:
> > On Aug 24, 2019, at 4:18 PM, list@contacte.xyz wrote:
> > 
> > What would be the «best» to choose for an SSD in an usual desktop
> > environment ? What would be the «best» to choose for an mechanical HD in
> > an usual desktop environment ?
> 
> I don’t think there’s any difference between SSD and spinning disk (for the
> particular question of how many inodes are needed).
> 
> If your planned usage is “typical” then, for either type of hardware,
> “typical usage” is the right choice.  If you have a particular use in mind
> that is known to involve lots of small files, then “news” might be more
> appropriate.

Hmm, this raised a question in my mind (not for myself so much) -- I use mbox 
(vs. maildir) as much as possible to store emails.  

(kmail (the older version I use (on Wheezy) uses maildir for the inbox and 
maybe some other "kmail system" "folders", e.g., sent-mail (yes, just 
checked).  For all the folders I set up, I set them up as mbox, but, it seems 
that kmail sometimes decides to convert them to maildir for some reason (maybe 
if the mbox file gets too big, for some definition of too big?)  (Far aside: and 
for other reasons, I want to keep my "folders" in mbox format (for 
compatibility with some other applications.)

Anyway, as many of us know, mbox keeps all the emails in a given folder in one 
file, while maildir stores each email in a separate file.

I suppose that, for someone who was going to archive a lot of mail and store 
it in maildir format, they might have to consider more inodes (i.e., the news 
option).

(Even further aside: I am worried that when I upgrade to Buster or such, the 
kmail included might no longer support mbox -- I got that impression 
somewhere, and I tried asking the question on a(n "official") kmail list, but 
did not get a clear answer (or I didn't really understand the answer -- I'll 
have to go back and look for that answer again and re-read it.)



> 
> As a real-world example, here’s a system I set up a couple of years ago (so
> it’s had enough time to reach an equilibrium state) with “typical usage”
> (the default).
> 
> 
> rbthomas@monk:~$ df -ih | grep -v tmpfs
> Filesystem                Inodes IUsed IFree IUse% Mounted on
> udev                        3.0M   580  3.0M    1% /dev
> /dev/mapper/monk--vg-root   1.8M  258K  1.5M   15% /
> /dev/sda1                    61K   337   61K    1% /boot
> /dev/mapper/monk--vg-home   5.3M   43K  5.2M    1% /home
> /dev/mapper/monk-download    50M   374   50M    1% /download
> /dev/mapper/monk-export      25M    18   25M    1% /export
> 
> 
> Enjoy!
> Rick

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Buster Installation - Partition phase - Inode option to choose - SSD  or Mechanical HD list@contacte.xyz - 2019-08-25 01:20 +0200
  Re: Buster Installation - Partition phase - Inode option to choose -  SSD or Mechanical HD Rick Thomas <rbthomas@pobox.com> - 2019-08-25 02:40 +0200
    Re: Buster Installation - Partition phase - Inode option to choose -  SSD or Mechanical HD Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-08-25 10:50 +0200
    You may need more inodes if you store lots of emails locally in maildir format (was: Re: Buster Installation - Partition phase - Inode option to choose - SSD or Mechanical HD rhkramer@gmail.com - 2019-08-25 14:20 +0200
      Re: You may need more inodes if you store lots of emails locally in  maildir format Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-08-25 14:50 +0200
      Re: You may need more inodes if you store lots of emails locally in  maildir format (was: Re: Buster Installation - Partition phase - Inode  option to choose - SSD or Mechanical HD David Wright <deblis@lionunicorn.co.uk> - 2019-08-25 21:30 +0200
        Re: You may need more inodes if you store lots of emails locally in maildir format (was: Re: Buster Installation - Partition phase - Inode option to choose - SSD or Mechanical HD rhkramer@gmail.com - 2019-08-25 22:00 +0200
  Re: Buster Installation - Partition phase - Inode option to choose -  SSD or Mechanical HD list@contacte.xyz - 2019-08-25 22:50 +0200

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