Re: /tmp on tmpfs

2012-04-10 Thread Matthew Garrett
On Tue, Apr 10, 2012 at 07:36:39PM +0200, drago01 wrote: > On Tue, Apr 10, 2012 at 3:31 PM, Michael Cronenworth wrote: > > Richard W.M. Jones wrote: > >> tmpfs is different in a number of important ways: > >> > >>  - it's very limited in space compared to a real disk > > > > Adobe Flash uses /tmp

Re: /tmp on tmpfs

2012-04-10 Thread drago01
On Tue, Apr 10, 2012 at 3:31 PM, Michael Cronenworth wrote: > Richard W.M. Jones wrote: >> tmpfs is different in a number of important ways: >> >>  - it's very limited in space compared to a real disk > > Adobe Flash uses /tmp to store video stream data. s/uses/used to/ ... it stopped doing that

Re: /tmp on tmpfs

2012-04-10 Thread Michael Cronenworth
Richard W.M. Jones wrote: > tmpfs is different in a number of important ways: > > - it's very limited in space compared to a real disk Adobe Flash uses /tmp to store video stream data. How are distributions who have implemented this handling large (say movie) Flash video streams? I could easily

Re: /tmp on tmpfs

2012-04-07 Thread Kevin Kofler
Reindl Harald wrote: > Am 06.04.2012 14:58, schrieb Ralf Corsepius: >>> Brasero, k3b and >>> applications for scanning will probably need patches. >> >> No idea, what you are intending to do. These apps use huge amounts of >> temporary data. Amounts of data, its devs probably considered to be too

Re: /tmp on tmpfs

2012-04-06 Thread Chris Murphy
On Apr 6, 2012, at 1:02 PM, Brian Wheeler wrote: > On 04/06/2012 02:50 PM, Chris Murphy wrote: >> What happens to /tmp on tmpfs when real memory and swap are completely >> consumed? > > I assume it would get an -ENOSPC...but with RAM and swap being full I don't > expect that the end user would

Re: /tmp on tmpfs

2012-04-06 Thread Brian Wheeler
On 04/06/2012 02:50 PM, Chris Murphy wrote: What happens to /tmp on tmpfs when real memory and swap are completely consumed? I assume it would get an -ENOSPC...but with RAM and swap being full I don't expect that the end user would ever see the error before the machine bogged down to the po

Re: /tmp on tmpfs

2012-04-06 Thread Reindl Harald
Am 06.04.2012 20:50, schrieb Chris Murphy: > > On Apr 6, 2012, at 8:03 AM, Vratislav Podzimek wrote: That a lost fight, because one of /tmp's primary purposes is to >>> temporarily store almost arbitrarily huge amounts of data, instead of >>> storing them in memory. >> This is the key ove

Re: /tmp on tmpfs

2012-04-06 Thread Chris Murphy
On Apr 6, 2012, at 8:20 AM, Michael Cronenworth wrote: > I'm really not worried about IO or SSD life from /tmp usage. I think the premise behind the coddling of SSD shouldn't be a consideration. If if true, it won't be true much longer. Are the advocates of SSD coddling suggesting we disable

Re: /tmp on tmpfs

2012-04-06 Thread Chris Murphy
On Apr 6, 2012, at 8:03 AM, Vratislav Podzimek wrote: >>> That a lost fight, because one of /tmp's primary purposes is to >> temporarily store almost arbitrarily huge amounts of data, instead of >> storing them in memory. > This is the key overlooked fact. What happens to /tmp on tmpfs when rea

Re: /tmp on tmpfs

2012-04-06 Thread Ralf Ertzinger
Hi. On Fri, 06 Apr 2012 09:41:08 -0500, Michael Cronenworth wrote > So I need to invest a week or two setting up blktraces across multiple > application loads and come back with a series of graphs and charts to > show how little IO is done in /tmp? As I said, I think you're right in general wrt

Re: /tmp on tmpfs

2012-04-06 Thread Reindl Harald
Am 06.04.2012 16:38, schrieb Ralf Ertzinger: > Hi. > > On Fri, 06 Apr 2012 09:20:46 -0500, Michael Cronenworth wrote > >> I have numbers to *dispute* these claims. >> >> (server with Apache, koji, LDAP)$ sudo du -sh /tmp >> 396K /tmp >> >> (work desktop)$ sudo du -sh /tmp >> 352K /tmp >> >> (se

Re: /tmp on tmpfs

2012-04-06 Thread Reindl Harald
Am 06.04.2012 14:58, schrieb Ralf Corsepius: >> Brasero, k3b and >> applications for scanning will probably need patches. > > No idea, what you are intending to do. These apps use huge amounts of > temporary data. Amounts of data, its devs > probably considered to be too big to be stored in mem

Re: /tmp on tmpfs

2012-04-06 Thread Michael Cronenworth
Ralf Ertzinger wrote: > I see what you're trying to say, and I tend to agree with you, but > the amount of space consumed at any one point in time does not reflect > the amount of IO going on on that file system. So I need to invest a week or two setting up blktraces across multiple application lo

Re: /tmp on tmpfs

2012-04-06 Thread Ralf Ertzinger
Hi. On Fri, 06 Apr 2012 09:20:46 -0500, Michael Cronenworth wrote > I have numbers to *dispute* these claims. > > (server with Apache, koji, LDAP)$ sudo du -sh /tmp > 396K /tmp > > (work desktop)$ sudo du -sh /tmp > 352K /tmp > > (server with Apache, bugzilla, wiki)$ sudo du -sh /tmp > 312K

Re: /tmp on tmpfs

2012-04-06 Thread Michael Cronenworth
Jaroslav Skarvada wrote: > Any numbers to support these claims? I have numbers to *dispute* these claims. (server with Apache, koji, LDAP)$ sudo du -sh /tmp 396K/tmp (work desktop)$ sudo du -sh /tmp 352K/tmp (server with Apache, bugzilla, wiki)$ sudo du -sh /tmp 312K/tmp (home desk

Re: /tmp on tmpfs

2012-04-06 Thread Vratislav Podzimek
On Fri, 2012-04-06 at 14:58 +0200, Ralf Corsepius wrote: > On 04/06/2012 01:47 PM, Marcela Mašláňová wrote: > > On 04/06/2012 11:14 AM, Vratislav Podzimek wrote: > >> On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: > >>> On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >

Re: /tmp on tmpfs

2012-04-06 Thread Jaroslav Skarvada
> The wiki page says: >By implementing this we, by default, generate less IO on disks. >This >increases SSD lifetime, saves a bit of power and makes things a >bit >faster. > Any numbers to support these claims? -- devel mailing list devel@lists.fedoraproject.org https://admin.

Re: /tmp on tmpfs

2012-04-06 Thread Marcela Mašláňová
On 04/06/2012 02:58 PM, Ralf Corsepius wrote: On 04/06/2012 01:47 PM, Marcela Mašláňová wrote: On 04/06/2012 11:14 AM, Vratislav Podzimek wrote: On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tm

Re: /tmp on tmpfs

2012-04-06 Thread Brian Wheeler
On 04/06/2012 07:47 AM, Marcela Mašláňová wrote: On 04/06/2012 11:14 AM, Vratislav Podzimek wrote: On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tmp on tmpfs - http://fedoraproject.org/wiki/F

Re: /tmp on tmpfs

2012-04-06 Thread Ralf Corsepius
On 04/06/2012 01:47 PM, Marcela Mašláňová wrote: On 04/06/2012 11:14 AM, Vratislav Podzimek wrote: On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tmp on tmpfs - http://fedoraproject.org/wiki/Feat

Re: /tmp on tmpfs

2012-04-06 Thread Marcela Mašláňová
On 04/06/2012 11:14 AM, Vratislav Podzimek wrote: On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tmp on tmpfs - http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) * AGREED

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-06 Thread Vratislav Podzimek
On Mon, 2012-04-02 at 20:58 +0100, Richard W.M. Jones wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > > * #834 F18 Feature: /tmp on tmpfs - > > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) > > * AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr,

Re: /tmp on tmpfs

2012-04-04 Thread Ralf Corsepius
On 04/04/2012 01:36 PM, Tomasz Torcz wrote: On Wed, Apr 04, 2012 at 11:51:08AM +0200, Kevin Kofler wrote: drago01 wrote: We could just make anaconda remove everything in /tmp ... done. First of all, renaming it as Simo Sorce suggested makes more sense. But secondly, what you both miss is tha

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-04 Thread Lennart Poettering
On Wed, 04.04.12 09:31, Jonathan Underwood (jonathan.underw...@gmail.com) wrote: > On 2 April 2012 20:58, Richard W.M. Jones wrote: > > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > >> * #834 F18 Feature: /tmp on tmpfs - > >>   http://fedoraproject.org/wiki/Features/tmp-on-tmp

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-04 Thread Tomasz Torcz
On Wed, Apr 04, 2012 at 11:51:08AM +0200, Kevin Kofler wrote: > drago01 wrote: > > We could just make anaconda remove everything in /tmp ... done. > > First of all, renaming it as Simo Sorce suggested makes more sense. > > But secondly, what you both miss is that not everyone upgrades using > An

Re: /tmp on tmpfs

2012-04-04 Thread Daniel J Walsh
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 04/04/2012 04:31 AM, Jonathan Underwood wrote: > On 2 April 2012 20:58, Richard W.M. Jones wrote: >> On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >>> * #834 F18 Feature: /tmp on tmpfs - >>> http://fedoraproject.org/wiki/Features

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-04 Thread Kevin Kofler
drago01 wrote: > We could just make anaconda remove everything in /tmp ... done. First of all, renaming it as Simo Sorce suggested makes more sense. But secondly, what you both miss is that not everyone upgrades using Anaconda, there's also plain yum. Seeing more and more black magic getting ad

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-04 Thread Karel Zak
On Mon, Apr 02, 2012 at 08:58:12PM +0100, Richard W.M. Jones wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > > * #834 F18 Feature: /tmp on tmpfs - > > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) > > * AGREED: tmp-on-tmpfs is accepted (+5 -3)

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-04 Thread Jonathan Underwood
On 2 April 2012 20:58, Richard W.M. Jones wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >> * #834 F18 Feature: /tmp on tmpfs - >>   http://fedoraproject.org/wiki/Features/tmp-on-tmpfs  (mitr, 17:40:06) >>   * AGREED: tmp-on-tmpfs is accepted (+5 -3)  (mitr, 18:12:52) Do

Re: /tmp on tmpfs

2012-04-03 Thread Lennart Poettering
On Tue, 03.04.12 12:30, Steve Clark (scl...@netwolves.com) wrote: > >Also, on servers where there are users with shell access, I'll typically > >limit the size of /tmp with an option in fstab (the default is RAM/2, > >which can be larger than I'd like). However, reading the feature page, > >this

Re: /tmp on tmpfs

2012-04-03 Thread Michal Schmidt
Dne 3.4.2012 18:09, Michael Cronenworth napsal(a): Michal Schmidt wrote: Cleanup of old files is already done, by systemd-tmpfiles. See /usr/lib/tmpfiles.d/tmp.conf. Files, yes. Directories, no. It removes old directories too. Due to a bug[1] in gvfs, I had over 100 old, empty directories

Re: /tmp on tmpfs

2012-04-03 Thread Peter Jones
On 04/03/2012 04:50 AM, Reindl Harald wrote: > > > Am 03.04.2012 09:17, schrieb drago01: >> I don't really get why people make so much fuss about a non issue >> really. 99,99% of the users won't even notice that anything changed at >> all. > > for this 99.9% the current behavior is also good eno

Re: /tmp on tmpfs

2012-04-03 Thread Reindl Harald
Am 03.04.2012 09:17, schrieb drago01: > I don't really get why people make so much fuss about a non issue > really. 99,99% of the users won't even notice that anything changed at > all. for this 99.9% the current behavior is also good enough if they do not notice any change the other 0.1% are s

Re: /tmp on tmpfs

2012-04-03 Thread James Antill
On Tue, 2012-04-03 at 10:35 -0500, Chris Adams wrote: > Once upon a time, Brian Wheeler said: > > * The competition for space between things in /tmp and VM. When someone > > abuses space in /tmp (on purpose or not) then the system is going to > > start swapping and performance is going to suffe

Re: /tmp on tmpfs

2012-04-03 Thread Steve Clark
On 04/03/2012 11:35 AM, Chris Adams wrote: Once upon a time, Brian Wheeler said: * The competition for space between things in /tmp and VM. When someone abuses space in /tmp (on purpose or not) then the system is going to start swapping and performance is going to suffer and the common respons

Re: /tmp on tmpfs

2012-04-03 Thread Michael Cronenworth
Michal Schmidt wrote: > Cleanup of old files is already done, by systemd-tmpfiles. > See /usr/lib/tmpfiles.d/tmp.conf. Files, yes. Directories, no. Due to a bug[1] in gvfs, I had over 100 old, empty directories in /tmp. Other apps may fill /tmp with directories, too, that will not be cleaned by a

Re: /tmp on tmpfs

2012-04-03 Thread Chris Adams
Once upon a time, M A Young said: > On Tue, 3 Apr 2012, Chris Adams wrote: > >Also, if some user has taken up lots of space in /tmp, you can LART the > >user and delete the files; that's no different than a user filling up a > >partition by writing to /tmp (no reboot necessary in either case). >

Re: /tmp on tmpfs

2012-04-03 Thread Lennart Poettering
On Tue, 03.04.12 08:31, Chris Murphy (li...@colorremedies.com) wrote: > My only concern about it being on tmpfs instead of on disk, is how big > it could get, how much memory could be held hostage, until there's a > reboot. I'd rather see it be both size and age limited (each item has > a decay ra

Re: /tmp on tmpfs

2012-04-03 Thread Chris Murphy
On Apr 3, 2012, at 9:48 AM, M A Young wrote: > On Tue, 3 Apr 2012, Chris Adams wrote: > >> Also, if some user has taken up lots of space in /tmp, you can LART the user >> and delete the files; that's no different than a user filling up a partition >> by writing to /tmp (no reboot necessary in

Re: /tmp on tmpfs

2012-04-03 Thread Chris Murphy
On Apr 3, 2012, at 9:35 AM, Chris Adams wrote: > Once upon a time, Brian Wheeler said: >> * The competition for space between things in /tmp and VM. When someone >> abuses space in /tmp (on purpose or not) then the system is going to >> start swapping and performance is going to suffer and the

Re: /tmp on tmpfs

2012-04-03 Thread M A Young
On Tue, 3 Apr 2012, Chris Adams wrote: Also, if some user has taken up lots of space in /tmp, you can LART the user and delete the files; that's no different than a user filling up a partition by writing to /tmp (no reboot necessary in either case). That assumes your system is still functiona

Re: /tmp on tmpfs

2012-04-03 Thread Michal Schmidt
Dne 3.4.2012 16:31, Chris Murphy napsal(a): My only concern about it being on tmpfs instead of on disk, is how big it could get, how much memory could be held hostage, until there's a reboot. I'd rather see it be both size and age limited (each item has a decay rate or something), so that it's ev

Re: /tmp on tmpfs

2012-04-03 Thread Chris Adams
Once upon a time, Brian Wheeler said: > * The competition for space between things in /tmp and VM. When someone > abuses space in /tmp (on purpose or not) then the system is going to > start swapping and performance is going to suffer and the common > response for fixing it will end up being '

Re: /tmp on tmpfs

2012-04-03 Thread Brian Wheeler
On 04/03/2012 10:31 AM, Chris Murphy wrote: /tmp is a like a litter box. From a user perspective, I'm happy to have it emptied regularly, because clearly the cats don't clean up their own doodles. That one of the cats might think he's deposited something valuable that he'll come back for somed

Re: /tmp on tmpfs

2012-04-03 Thread Chris Murphy
/tmp is a like a litter box. From a user perspective, I'm happy to have it emptied regularly, because clearly the cats don't clean up their own doodles. That one of the cats might think he's deposited something valuable that he'll come back for someday, is hilarious to me, as well as ridiculous.

Re: /tmp on tmpfs

2012-04-03 Thread Jon Ciesla
On Tue, Apr 3, 2012 at 8:38 AM, Steve Clark wrote: > On 04/02/2012 05:30 PM, M A Young wrote: > > On Mon, 2 Apr 2012, Lennart Poettering wrote: > > On Mon, 02.04.12 16:55, Steve Grubb (sgr...@redhat.com) wrote: > > What about forensics? Any reboot erases information that might have been > needed >

Re: /tmp on tmpfs

2012-04-03 Thread Steve Clark
On 04/02/2012 05:30 PM, M A Young wrote: On Mon, 2 Apr 2012, Lennart Poettering wrote: On Mon, 02.04.12 16:55, Steve Grubb (sgr...@redhat.com) wrote: What about forensics? Any reboot erases information that might have been needed to see what happened during a break in. /tmp is already volatil

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-03 Thread Simo Sorce
On Tue, 2012-04-03 at 05:10 +0200, Kevin Kofler wrote: > Richard W.M. Jones wrote: > > Actually I think this is a good feature, but ... > > I'm unsure about whether this makes sense for new installs or not, but I > feel my objection in > https://fedoraproject.org/wiki/Talk:Features/tmp-on-tmpfs w

Re: /tmp on tmpfs

2012-04-03 Thread Jim Meyering
Daniel J Walsh wrote: ... > I have been running with a tmpfs /tmp for years, without a problem. I have > found the having /tmp be anything else that a tmpfs has caused me pain over > the years with mislabeled files or files with the wrong UID. > > Change to use a confined user or change the UID of

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-03 Thread drago01
On Tue, Apr 3, 2012 at 5:10 AM, Kevin Kofler wrote: > Richard W.M. Jones wrote: >> Actually I think this is a good feature, but ... > > I'm unsure about whether this makes sense for new installs or not, but I > feel my objection in > https://fedoraproject.org/wiki/Talk:Features/tmp-on-tmpfs was no

Re: /tmp on tmpfs

2012-04-03 Thread drago01
On Tue, Apr 3, 2012 at 3:28 AM, Brian Wheeler wrote: > I can't say that as a user (and sysadmin) I'm really thrilled with this. > /tmp doesn't go away on reboots now so this is a biggish change from my point > of view. That's what /tmp has always meant to be i.e a temporary filesystem that is

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Kevin Kofler
Richard W.M. Jones wrote: > Actually I think this is a good feature, but ... I'm unsure about whether this makes sense for new installs or not, but I feel my objection in https://fedoraproject.org/wiki/Talk:Features/tmp-on-tmpfs was not taken into account at all. :-/ Forcing this change on upgra

Re: /tmp on tmpfs

2012-04-02 Thread Brian Wheeler
On 04/02/2012 07:44 PM, Dave Jones wrote: On Mon, Apr 02, 2012 at 06:34:59PM -0400, Przemek Klosowski wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > >* #834 F18 Feature: /tmp on tmpfs - > >http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:0

Re: /tmp on tmpfs

2012-04-02 Thread Dave Jones
On Mon, Apr 02, 2012 at 06:34:59PM -0400, Przemek Klosowski wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > >* #834 F18 Feature: /tmp on tmpfs - > > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) > > * AGREED: tmp-on-tmpfs is accepted (+5 -3

Re: /tmp on tmpfs

2012-04-02 Thread Reindl Harald
Am 03.04.2012 00:34, schrieb Przemek Klosowski: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >> * #834 F18 Feature: /tmp on tmpfs - >>http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) >>* AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr, 18:12:52) >

Re: /tmp on tmpfs

2012-04-02 Thread Przemek Klosowski
On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tmp on tmpfs - http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) * AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr, 18:12:52) The wiki page says: By implementing this we, by default,

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Emmanuel Seyman
* M A Young [02/04/2012 23:51] : > > This also means a big change in user experience as many will be > expecting things in /tmp to remain there for a while before being > deleted even if the system is restarted or crashes. The expectations of these 'many' (this really needs to be measured) run cou

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread M A Young
On Mon, 2 Apr 2012, Lennart Poettering wrote: On Mon, 02.04.12 16:55, Steve Grubb (sgr...@redhat.com) wrote: What about forensics? Any reboot erases information that might have been needed to see what happened during a break in. /tmp is already volatile and cleaned up in regular intervals. T

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Stephen John Smoogen
On 2 April 2012 14:55, Steve Grubb wrote: > On Monday, April 02, 2012 03:58:12 PM Richard W.M. Jones wrote: >> > * #834 F18 Feature: /tmp on tmpfs - >> > >> >   http://fedoraproject.org/wiki/Features/tmp-on-tmpfs  (mitr, 17:40:06) >> >   * AGREED: tmp-on-tmpfs is accepted (+5 -3)  (mitr, 18:12:52)

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Bruno Wolff III
On Mon, Apr 02, 2012 at 20:58:12 +0100, "Richard W.M. Jones" wrote: - it doesn't support O_DIRECT I thought this was also true of ext4 with data journaling enabled. -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Bill Nottingham
Richard W.M. Jones (rjo...@redhat.com) said: > > >  - it doesn't support user extended attrs; and not very old kernels > > >   didn't support any xattrs at all, meaning things like SELinux > > >   labels don't work > > > > Huh? Why would you run a "very old kernel" on fedora? > > It's not unknow

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Lennart Poettering
On Mon, 02.04.12 16:55, Steve Grubb (sgr...@redhat.com) wrote: > On Monday, April 02, 2012 03:58:12 PM Richard W.M. Jones wrote: > > > * #834 F18 Feature: /tmp on tmpfs - > > > > > > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) > > > * AGREED: tmp-on-tmpfs is accepted

Re: /tmp on tmpfs

2012-04-02 Thread Daniel J Walsh
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 04/02/2012 04:25 PM, Lennart Poettering wrote: > On Mon, 02.04.12 20:58, Richard W.M. Jones (rjo...@redhat.com) wrote: > Heya, > >> The feature page is wrong about "The user experience should barely >> change. This is mostly a low-level change t

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Steve Grubb
On Monday, April 02, 2012 03:58:12 PM Richard W.M. Jones wrote: > > * #834 F18 Feature: /tmp on tmpfs - > > > > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) > > * AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr, 18:12:52) > > Actually I think this is a good feature, bu

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Richard W.M. Jones
On Mon, Apr 02, 2012 at 04:40:38PM -0400, David Quigley wrote: > You don't specify seclabel as an option. It is something that is put > into the mount command to show you that a filesystem supports being > able to set security labels on it. OK, I see. In fact I tested this and I was able to set S

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Lennart Poettering
On Mon, 02.04.12 21:30, Richard W.M. Jones (rjo...@redhat.com) wrote: > > >  - it doesn't support user extended attrs; and not very old kernels > > >   didn't support any xattrs at all, meaning things like SELinux > > >   labels don't work > > > > Huh? Why would you run a "very old kernel" on fed

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread David Quigley
On 04/02/2012 16:26, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 04:11:24PM -0400, David Quigley wrote: On 04/02/2012 16:06, Richard W.M. Jones wrote: >That's not what I said. I said that relatively recent kernels (up to >the middle of last year) didn't support system.*, and tmpfs doesn

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Richard W.M. Jones
On Mon, Apr 02, 2012 at 10:24:38PM +0200, drago01 wrote: > On Mon, Apr 2, 2012 at 9:58 PM, Richard W.M. Jones wrote: > >  - it doesn't support O_DIRECT > > Neither does this (which apps needs O_DIRECT on /tmp ? ). qemu and libguestfs as it turned out. It was one of the things we had to fix when

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Richard W.M. Jones
On Mon, Apr 02, 2012 at 04:11:24PM -0400, David Quigley wrote: > On 04/02/2012 16:06, Richard W.M. Jones wrote: > >That's not what I said. I said that relatively recent kernels (up to > >the middle of last year) didn't support system.*, and tmpfs doesn't Sorry, I meant to write security.* there.

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Lennart Poettering
On Mon, 02.04.12 20:58, Richard W.M. Jones (rjo...@redhat.com) wrote: Heya, > The feature page is wrong about "The user experience should barely > change. This is mostly a low-level change that has little visibility > to the user." Well, i'd claim this is not really user visible if implemented c

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread drago01
On Mon, Apr 2, 2012 at 9:58 PM, Richard W.M. Jones wrote: > On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >> * #834 F18 Feature: /tmp on tmpfs - >>   http://fedoraproject.org/wiki/Features/tmp-on-tmpfs  (mitr, 17:40:06) >>   * AGREED: tmp-on-tmpfs is accepted (+5 -3)  (mitr, 18:1

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread David Quigley
On 04/02/2012 16:06, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 04:04:23PM -0400, David Quigley wrote: On 04/02/2012 15:58, Richard W.M. Jones wrote: >On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: >>* #834 F18 Feature: /tmp on tmpfs - >> http://fedoraproject.org/wiki/Fe

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread Richard W.M. Jones
On Mon, Apr 02, 2012 at 04:04:23PM -0400, David Quigley wrote: > On 04/02/2012 15:58, Richard W.M. Jones wrote: > >On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: > >>* #834 F18 Feature: /tmp on tmpfs - > >> http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, > >>17:40:06)

Re: /tmp on tmpfs (was: Re: Summary/Minutes for today's FESCo meeting (2012-04-02))

2012-04-02 Thread David Quigley
On 04/02/2012 15:58, Richard W.M. Jones wrote: On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote: * #834 F18 Feature: /tmp on tmpfs - http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06) * AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr, 18:12:52) Actually I