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Groups > alt.os.linux > #54261
| From | Soviet_Mario <SovietMario@CCCP.MIR> |
|---|---|
| Newsgroups | alt.os.linux |
| Subject | Re: freshly installed SW not found |
| Date | 2019-02-28 18:51 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <q5973c$fc4$1@dont-email.me> (permalink) |
| References | (5 earlier) <q560n2$7vs$1@dont-email.me> <q56c4p$25f$2@dont-email.me> <slrnq7dd48.3t0.dan@djph.net> <q56pf6$1l5$1@dont-email.me> <slrnq7ffp7.3t0.dan@djph.net> |
On 28/02/19 11:59, Dan Purgert wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Soviet_Mario wrote:
>> On 27/02/19 17:02, Dan Purgert wrote:
>>> Soviet_Mario wrote:
>>>> On 27/02/19 13:44, Aragorn wrote:
>>>>> [...]
>>>>> rsnapshot uses hard-linking for files that haven't changed since
>>>>> the last backup. Hard links don't use up any inodes.
>>>>>
>>>>
>>>> mmm, then I must have chosen the wrong terms.
>>>> But some other kind of disk space must be used to add a link
>>>
>>> Nope.
>>
>> so the link information is stored where ?
>> I'm not saying the content need to be stored, but the link
>> to it for sure : in as many places as there are the links
>
> On the filesystem/directory metadata ("in" the directory, but it doesn't
> take space.
i reckon it does, even if it takes "reserved" space. And
anyway it takes time to be readed
> Or well, worst case, it spills into the next sector of
> metadata, so burns however much space your sector size is -- generally
> somewhere between 512 and 4096 bytes).
>
>>
>> This does not duplicate the info of Inode (Aragorns taught),
>> but then the link is a reference to be dereferenced. So when
>> the file manager scans the disk, re-read the same inode many
>> times or at best looks-up some hash table to find whether or
>> not the info is just present.
>
> You're crossing hard-links (file A and file B are exactly the same
> inode,
I don't miss this point, I was saying a different thing :
this same inode is listed under as many directories as the
hardlinks
> there is no reference / dereference), and soft-links (file A
> [inode 1234] points to fileB [inode 5678])
yes to be able to cross FS boundaries
>
>>>> to somewhere. And this huge list of items (be them inode or
>>>> else) really slows down directory listing and scan, for
>>>> example when I perform searches or get properties (counts,
>>>> stats etc)
>>>
>>> Which'll be as equally slow, if not slower, when you try doing it on a
>>> tarball.
>>
>> If one has just a huge one, for sure. That's why I wanted
>> tarbal:folder=1:1
>
> Er, which means that you have to untar the whole thing, at least into
> memory. Which, depending on your hardware will result in no gains, or a
> net slowdown.
lets put it from start.
Long time ago in a distant galaxy, there was a file system
structure very deeply nested and complex, but much static in
its general shape and very well known and familiar to its owner
The contents changed here and there.
This wierd owner desired two different and contradictory
goals : to have phisical copies of the updates versions
(distinct files) while at the same time sharing one single
copy of the folder structure (or a "super-set" when some
change to it occurred), as in crawling in the tree he
seldomly required search.
to be continued...
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--
1) Resistere, resistere, resistere.
2) Se tutti pagano le tasse, le tasse le pagano tutti
Soviet_Mario - (aka Gatto_Vizzato)
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freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-26 19:47 +0100
Re: freshly installed SW not found "J.O. Aho" <user@example.net> - 2019-02-26 20:28 +0100
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-26 21:51 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-26 21:46 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 12:52 +0100
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-02-27 12:44 +0000
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-02-27 13:27 +0000
Re: freshly installed SW not found Richard Kettlewell <invalid@invalid.invalid> - 2019-02-27 15:16 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 16:59 +0100
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-02-27 16:02 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 20:46 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-27 20:18 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-28 12:47 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-28 18:32 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-03-01 01:14 +0100
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-01 01:54 +0100
Re: freshly installed SW not found Jasen Betts <jasen@xnet.co.nz> - 2019-03-01 03:09 +0000
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-02-27 20:21 +0000
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-27 23:02 +0000
Re: freshly installed SW not found Richard Kettlewell <invalid@invalid.invalid> - 2019-02-27 23:24 +0000
Re: freshly installed SW not found Jasen Betts <jasen@xnet.co.nz> - 2019-02-28 04:46 +0000
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-02-28 10:59 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-28 18:51 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-28 18:24 +0000
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-03-01 13:49 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-01 18:22 +0100
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-03-01 19:06 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-03-03 01:08 +0100
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-03-03 00:14 +0000
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-03-03 13:00 +0000
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-03-03 12:46 +0000
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-28 18:15 +0000
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-27 16:38 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 20:51 +0100
Re: freshly installed SW not found Jasen Betts <jasen@xnet.co.nz> - 2019-02-28 04:39 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-02-27 14:30 +0100
Re: freshly installed SW not found "J.O. Aho" <user@example.net> - 2019-02-27 07:05 +0100
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-02-27 14:29 +0100
Re: freshly installed SW not found Paul <nospam@needed.invalid> - 2019-02-27 08:50 -0500
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-02-28 00:05 +0100
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 16:56 +0100
Re: freshly installed SW not found Chris <ithinkiam@gmail.com> - 2019-03-01 14:58 +0000
Re: freshly installed SW not found Chris <ithinkiam@gmail.com> - 2019-03-01 15:04 +0000
Re: freshly installed SW not found "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-03-01 10:50 -0500
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-03-01 18:40 +0000
Re: freshly installed SW not found "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-03-01 14:40 -0500
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-03-01 23:38 +0000
Re: freshly installed SW not found "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-03-01 19:09 -0500
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-03-02 03:47 +0000
Re: freshly installed SW not found "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-03-01 22:55 -0500
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-03-02 07:08 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-02 11:27 +0100
Re: freshly installed SW not found Paul <nospam@needed.invalid> - 2019-03-02 04:10 -0500
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-03-02 16:29 +0000
Re: freshly installed SW not found Paul <nospam@needed.invalid> - 2019-03-02 11:54 -0500
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-02 11:24 +0100
Re: freshly installed SW not found Jasen Betts <jasen@xnet.co.nz> - 2019-03-02 00:28 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-02 11:31 +0100
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-03-02 11:31 +0000
Re: freshly installed SW not found Melzzzzz <Melzzzzz@zzzzz.com> - 2019-03-02 11:34 +0000
Re: freshly installed SW not found Aragorn <thorongil@telenet.be> - 2019-03-02 11:48 +0000
Re: freshly installed SW not found Melzzzzz <Melzzzzz@zzzzz.com> - 2019-03-02 12:15 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-02 23:15 +0100
Re: freshly installed SW not found Chris Elvidge <chris@mshome.net> - 2019-03-03 00:33 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-03-03 01:38 +0100
Compressed filesystems [Was: Re: freshly installed SW not found] "Carlos E.R." <robin_listas@es.invalid> - 2019-03-03 13:11 +0100
Re: Compressed filesystems [Was: Re: freshly installed SW not found] Soviet_Mario <SovietMario@CCCP.MIR> - 2019-03-03 19:49 +0100
Re: Compressed filesystems [Was: Re: freshly installed SW not found] "Carlos E.R." <robin_listas@es.invalid> - 2019-03-03 21:17 +0100
Re: freshly installed SW not found Dan Purgert <dan@djph.net> - 2019-03-03 12:49 +0000
Re: freshly installed SW not found Melzzzzz <Melzzzzz@zzzzz.com> - 2019-03-03 12:35 +0000
Re: freshly installed SW not found "Carlos E.R." <robin_listas@es.invalid> - 2019-03-02 11:22 +0100
Re: freshly installed SW not found Wildman <best_lay@yahoo.com> - 2019-02-26 13:31 -0600
Re: freshly installed SW not found Wildman <best_lay@yahoo.com> - 2019-02-26 15:42 -0600
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-26 21:51 +0000
Re: freshly installed SW not found "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-02-26 14:36 -0500
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-26 21:58 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-26 21:49 +0000
Re: freshly installed SW not found Soviet_Mario <SovietMario@CCCP.MIR> - 2019-02-27 12:54 +0100
Re: freshly installed SW not found William Unruh <unruh@invalid.ca> - 2019-02-26 19:51 +0000
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