Re: prelink performance gains

2013-10-15 Thread Panu Matilainen
On 10/16/2013 12:51 AM, Dridi Boukelmoune wrote: Hi, This is one of these passionate threads I enjoy reading because I usually learn something interesting, and I also enjoy people being passionate about stuff. But this time I'm a bit disappointed about the defaults for Fedora. I'm a developer,

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 23:51:18 +0200, Dridi Boukelmoune wrote: > $ rpm -V libreoffice-core > prelink: /tmp/#prelink#.TZlaPL: Recorded 92 dependencies, now seeing -1 Repeating for the third time in this thread: This is a known prelink Bug and you can find the single line fix/workaround there:

Fedora 20 Beta Change Freeze

2013-10-15 Thread Dennis Gilmore
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all, as the Fedora 20 schedule[1] states the Beta change freeze is upon us. As of now all Beta freeze only accepted exceptions[2] will be allowed in. we are at the beta stage of release, so the Beta_to_Pre_Release[3] stage of the updates policy

Re: prelink performance gains

2013-10-15 Thread Dridi Boukelmoune
On Tue, Oct 15, 2013 at 11:31 PM, Matthew Miller wrote: > On Tue, Oct 15, 2013 at 10:51:18PM +0100, Dridi Boukelmoune wrote: >> $ rpm -V varnish >> S.5T. c /etc/varnish/varnish.params >> $ rpm -V firefox >> $ rpm -V libreoffice-core >> prelink: /tmp/#prelink#.TZlaPL: Recorded 92 dependencies,

Re: boost141 and stability of Boost API?

2013-10-15 Thread Dave Johansen
On Sun, Oct 13, 2013 at 8:54 AM, Robert Scheck wrote: > Hallo Dave, > > On Sat, 28 Sep 2013, Dave Johansen wrote: > > I just noticed that the boost141 package had been previously available in > > Fedora, but it has since been removed ( > > https://fedorahosted.org/rel-eng/ticket/5291 ). I'm not fa

Re: prelink performance gains

2013-10-15 Thread Mathieu Bridon
On Tue, 2013-10-15 at 20:24 +0200, Reindl Harald wrote: > Am 15.10.2013 20:07, schrieb Jan Kratochvil: > > On Tue, 15 Oct 2013 19:54:15 +0200, Reindl Harald wrote: > >> there are people wich shut down or suspend machines when they are not in > >> use > >> how do you imagine the cronjob run while t

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Chris Murphy
On Oct 15, 2013, at 4:29 PM, Richard W.M. Jones wrote: > On Tue, Oct 15, 2013 at 04:04:28PM -0600, Chris Murphy wrote: >> I'm happy to hear it argued I should instead use the LV space for a >> regular partition formatted ext2 and drop the qcow2 file >> there. There's still overhead of two file s

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Josh Stone
On 10/15/2013 05:15 PM, Chris Murphy wrote: > > On Oct 15, 2013, at 4:30 PM, Josh Stone wrote: > >> On 10/15/2013 02:46 PM, Richard W.M. Jones wrote: >>> On Tue, Oct 15, 2013 at 03:29:38PM -0600, Chris Murphy wrote: The better snapshots sound ideal for VM testing. Snapshot a successful

Re: Fedora and ECDHE: now supported in OpenSSL

2013-10-15 Thread Tom Callaway
On 10/15/2013 05:13 PM, Paul Wouters wrote: > On Tue, 15 Oct 2013, Reindl Harald wrote: > >> since OpenSSL in Fedora from now on supports ECDHE >> depending software needs to be rebuilt to make use >> of it as well as libraries like NSS/GNUTLS should >> do the same and depending packages like Fire

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Chris Murphy
On Oct 15, 2013, at 4:30 PM, Josh Stone wrote: > On 10/15/2013 02:46 PM, Richard W.M. Jones wrote: >> On Tue, Oct 15, 2013 at 03:29:38PM -0600, Chris Murphy wrote: >>> The better snapshots sound ideal for VM testing. Snapshot a >>> successful install and then try to break the snapshot. Etc. >>>

Re: prelink performance gains

2013-10-15 Thread Matthew Miller
On Tue, Oct 15, 2013 at 10:51:18PM +0100, Dridi Boukelmoune wrote: > $ rpm -V varnish > S.5T. c /etc/varnish/varnish.params > $ rpm -V firefox > $ rpm -V libreoffice-core > prelink: /tmp/#prelink#.TZlaPL: Recorded 92 dependencies, now seeing -1 Check out "-y" in the prelink man page. It does

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Josh Stone
On 10/15/2013 02:46 PM, Richard W.M. Jones wrote: > On Tue, Oct 15, 2013 at 03:29:38PM -0600, Chris Murphy wrote: >> The better snapshots sound ideal for VM testing. Snapshot a >> successful install and then try to break the snapshot. Etc. >> >> Presently virt-manager ignores thinp pools and only c

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Richard W.M. Jones
On Tue, Oct 15, 2013 at 04:04:28PM -0600, Chris Murphy wrote: > I'm happy to hear it argued I should instead use the LV space for a > regular partition formatted ext2 and drop the qcow2 file > there. There's still overhead of two file systems there, but may > compare to LV performance. I guess you

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Chris Murphy
On Oct 15, 2013, at 3:46 PM, Richard W.M. Jones wrote: > On Tue, Oct 15, 2013 at 03:29:38PM -0600, Chris Murphy wrote: >> The better snapshots sound ideal for VM testing. Snapshot a >> successful install and then try to break the snapshot. Etc. >> >> Presently virt-manager ignores thinp pools a

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 23:35, schrieb drago01: > On Tue, Oct 15, 2013 at 10:27 PM, Reindl Harald > wrote: >> >> >> Am 15.10.2013 22:04, schrieb Florian Weimer: >>> On 10/15/2013 09:10 PM, Chris Adams wrote: Once upon a time, Jan Kratochvil said: > It depends, for example in this case prelink s

Re: prelink performance gains

2013-10-15 Thread Dridi Boukelmoune
Hi, This is one of these passionate threads I enjoy reading because I usually learn something interesting, and I also enjoy people being passionate about stuff. But this time I'm a bit disappointed about the defaults for Fedora. I'm a developer, and I work with production-like systems (and in som

[Fedora QA] #426: All pages should include an 'info bar' linking to source repo and Test Day homepage

2013-10-15 Thread Fedora QA
#426: All pages should include an 'info bar' linking to source repo and Test Day homepage +--- Reporter: adamwill| Owner: jskladan Type: enhancement | Status: new Priority: major

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Richard W.M. Jones
On Tue, Oct 15, 2013 at 03:29:38PM -0600, Chris Murphy wrote: > The better snapshots sound ideal for VM testing. Snapshot a > successful install and then try to break the snapshot. Etc. > > Presently virt-manager ignores thinp pools and only creates > conventional LV's. I haven't tried using virsh

Re: prelink performance gains

2013-10-15 Thread drago01
On Tue, Oct 15, 2013 at 10:27 PM, Reindl Harald wrote: > > > Am 15.10.2013 22:04, schrieb Florian Weimer: >> On 10/15/2013 09:10 PM, Chris Adams wrote: >>> Once upon a time, Jan Kratochvil said: It depends, for example in this case prelink saves 33% of time (and battery): i=0;

Re: LVM thin provisioning and virt-manager

2013-10-15 Thread Cole Robinson
On 10/15/2013 05:29 PM, Chris Murphy wrote: > The better snapshots sound ideal for VM testing. Snapshot a successful > install and then try to break the snapshot. Etc. > > Presently virt-manager ignores thinp pools and only creates conventional > LV's. I haven't tried using virsh to force it to

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 22:04, schrieb Florian Weimer: > On 10/15/2013 09:10 PM, Chris Adams wrote: >> Once upon a time, Jan Kratochvil said: >>> It depends, for example in this case prelink saves 33% of time (and >>> battery): >>> i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help >>> &>/

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 22:17, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 22:12:00 +0200, Matthew Miller wrote: >> On Tue, Oct 15, 2013 at 09:05:03PM +0200, Jan Kratochvil wrote: >>> i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help >>> &>/dev/null;i=$[$i+1];done >> >> I hope we can all

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 21:55, schrieb Stephen Gallagher: > On 10/15/2013 03:20 PM, Reindl Harald wrote: >> Am 15.10.2013 21:13, schrieb Jan Kratochvil: >>> OT: I use mod_perl for majority of my web code > >> and why do you than defeat prelink that much? are you the developer >> of it or married the develop

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 22:01, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 21:10:34 +0200, Chris Adams wrote: >> Do you really run "gnome-open --help" 1000 times per reasonable unit of >> time (or ever)? Please stop using bogus comparisons and highly >> contrived tests. They do nothing to help your arg

LVM thin provisioning and virt-manager

2013-10-15 Thread Chris Murphy
The better snapshots sound ideal for VM testing. Snapshot a successful install and then try to break the snapshot. Etc. Presently virt-manager ignores thinp pools and only creates conventional LV's. I haven't tried using virsh to force it to use an already created virtualsize LV as backing, but

Re: Schedule for Wednesday's FESCo Meeting (2013-10-15)

2013-10-15 Thread Adam Williamson
On Tue, 2013-10-15 at 15:19 -0400, Stephen Gallagher wrote: > Following is the list of topics that will be discussed in the FESCo > meeting Wednesday at 18:00UTC in #fedora-meeting on irc.freenode.net. 2013-10-15 is today, Tuesday, not tomorrow, Wednesday. For the record, I suppose the meeting wil

[Test-Announce] 2013-10-16 @ 16:00 UTC - F20 Beta Blocker Bug Review #4

2013-10-15 Thread Adam Williamson
# F20 Beta Blocker Review meeting #4 # Date: 2013-10-16 # Time: 16:00 UTC (12:00 EDT, 09:00 PDT) # Location: #fedora-blocker-review on irc.freenode.net It's blocker review meeting time once more. Yes, yes, you can rejoice, it's finally here! We'll be running through the final blockers and freeze

Re: prelink performance gains

2013-10-15 Thread Richard W.M. Jones
On Tue, Oct 15, 2013 at 02:25:10PM -0400, Paul Wouters wrote: > On Tue, 15 Oct 2013, Jan Kratochvil wrote: > > >I just do not understand why to give up on that negligible optimization when > >it brings no disadvantages. > > Because you did not my previous email? > > - complexity > - complicated

[389-devel] fractional replication monitoring proposal

2013-10-15 Thread Mark Reynolds
https://fedorahosted.org/389/ticket/47368 So we run into issues when trying to figure out if replicas are in synch(if those replicas use fractional replication and "strip mods"). What happens is that an update is made on master A, but due to fractional replication there is no update made to a

Re: prelink performance gains

2013-10-15 Thread Richard W.M. Jones
On Tue, Oct 15, 2013 at 10:14:13AM -0400, Paul Wouters wrote: > On Tue, 15 Oct 2013, Dhiru Kholia wrote: > > >In short, we could not distinguish the performance gains of prelink over > >the "background noise" in many (or even most) cases. > > > >So, I was wondering if you are aware of any use-case

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 22:12:00 +0200, Matthew Miller wrote: > On Tue, Oct 15, 2013 at 09:05:03PM +0200, Jan Kratochvil wrote: > > i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help > > &>/dev/null;i=$[$i+1];done > > I hope we can all agree that this is not useful example. Explained i

Re: prelink performance gains

2013-10-15 Thread Matthew Miller
On Tue, Oct 15, 2013 at 09:05:03PM +0200, Jan Kratochvil wrote: > It depends, for example in this case prelink saves 33% of time (and battery): > i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help > &>/dev/null;i=$[$i+1];done I hope we can all agree that this is not useful example

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 21:59:13 +0200, Paul Wouters wrote: > On Tue, 15 Oct 2013, Jan Kratochvil wrote: > >Disable/uninstall prelink for FIPS. > > I tried that. I submitted a patch for prelink to un-prelink on > de-install in %preun. It has been ignored by you for over a year and > I seriously had to

Re: prelink performance gains

2013-10-15 Thread Florian Weimer
On 10/15/2013 09:10 PM, Chris Adams wrote: Once upon a time, Jan Kratochvil said: It depends, for example in this case prelink saves 33% of time (and battery): i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help &>/dev/null;i=$[$i+1];done Do you really run "gnome-open --help

Re: Code Hosting, Development Tools and Open Source

2013-10-15 Thread Tim Flink
On Tue, 15 Oct 2013 12:23:31 -0600 Tim Flink wrote: > With the conversation we've been having and the persona developments, > I propose the following: > > - create FAS groups for git-taskbot-core and git-taskbot-tasks which >will control access to the git repos >* use fedorahosted for n

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 21:10:34 +0200, Chris Adams wrote: > Do you really run "gnome-open --help" 1000 times per reasonable unit of > time (or ever)? Please stop using bogus comparisons and highly > contrived tests. They do nothing to help your argument. The goal of this example was to show that in

Re: prelink performance gains

2013-10-15 Thread Paul Wouters
On Tue, 15 Oct 2013, Jan Kratochvil wrote: - FIPS foot-bullets I really do not care and do not run FIPS. Your personal views are irrelevant. You are a package maintainer. When other people care about FIPS, you as a package maintainer should care about playing nicely with FIPS. Disable/unin

Re: prelink performance gains

2013-10-15 Thread Stephen Gallagher
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/15/2013 03:20 PM, Reindl Harald wrote: > > > Am 15.10.2013 21:13, schrieb Jan Kratochvil: >> OT: I use mod_perl for majority of my web code > > and why do you than defeat prelink that much? are you the developer > of it or married the develope

Re: Sunday 13th of October: SSD cache test day

2013-10-15 Thread Chris Murphy
On Oct 14, 2013, at 2:08 AM, Florian Weimer wrote: > On 10/10/2013 12:02 AM, Rolf Fokkens wrote: > >> The Fedora SSD Cache is this sunday October 13th 2013. This Fedora Test >> Day will focus on bcache based SSD Caching in Fedora 20. >> >> https://fedoraproject.org/wiki/Test_Day:2013-10-13_SSD

Re: prelink performance gains

2013-10-15 Thread Jóhann B. Guðmundsson
On 10/15/2013 07:20 PM, Chris Adams wrote: Once upon a time, "Jóhann B. Guðmundsson" said: >I say we should remove it from the standard comps group thus making >it optional to install for people that see some benefit in still >using it. I'd actually suggest that prelink be an all-or-nothing.

Re: prelink performance gains

2013-10-15 Thread Jóhann B. Guðmundsson
On 10/15/2013 06:40 PM, Jan Kratochvil wrote: Improved performance. I'm not sure where this is coming from but it looks like people are confusing "improved performance" with "improved startup of applications". And afaik it can trigger false positive with security related applications as wel

Re: prelink performance gains

2013-10-15 Thread Miloslav Trmač
Hello, On Tue, Oct 15, 2013 at 2:19 PM, Dhiru Kholia wrote: > - Here are some measurements (for LibreOffice [2] loading time in > seconds) done using the "unSPEC" benchmarking suite. These numbers > are repeatable and you are encouraged to try "unSPEC" to do > independent validation of these

Re: prelink performance gains

2013-10-15 Thread Toshio Kuratomi
On Tue, Oct 15, 2013 at 05:17:28PM +0200, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 17:04:05 +0200, Matthew Miller wrote: > > But, since prelink presents other problems on its own, > > Prelinked system is a good test for tools like GDB, elfutils and others they > can properly handle the displace

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 21:13, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 21:08:40 +0200, Reindl Harald wrote: >> Am 15.10.2013 21:05, schrieb Jan Kratochvil: >>> It depends, for example in this case prelink saves 33% of time (and >>> battery): >>> i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-o

Re: prelink performance gains

2013-10-15 Thread Chris Adams
Once upon a time, "Jóhann B. Guðmundsson" said: > I say we should remove it from the standard comps group thus making > it optional to install for people that see some benefit in still > using it. I'd actually suggest that prelink be an all-or-nothing. If it isn't in the default install, support

Schedule for Wednesday's FESCo Meeting (2013-10-15)

2013-10-15 Thread Stephen Gallagher
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Following is the list of topics that will be discussed in the FESCo meeting Wednesday at 18:00UTC in #fedora-meeting on irc.freenode.net. To convert UTC to your local time, take a look at http://fedoraproject.org/wiki/UTCHowto or run: date -d 'YY

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 21:08:40 +0200, Reindl Harald wrote: > Am 15.10.2013 21:05, schrieb Jan Kratochvil: > > It depends, for example in this case prelink saves 33% of time (and > > battery): > > i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help > > &>/dev/null;i=$[$i+1];done > > wh

Re: Sunday 13th of October: SSD cache test day

2013-10-15 Thread Rolf Fokkens
On 10/14/2013 10:08 AM, Florian Weimer wrote: Is there a write-up somewhere documenting what strategies are implemented by bcache to keep the SSD and the hard disk contents in sync even in the event of a sudden power loss? This is good place to start: http://bcache.evilpiepirate.org/ -- devel m

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 21:05, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 20:54:06 +0200, Chris Adams wrote: >> Since you keep repeating this one: -O2 vs. -O0 has a significant >> performance gain. The message that started this thread indicates that >> prelink may not have a significant gain anymore.

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 20:54, schrieb Chris Adams: > Once upon a time, Jan Kratochvil said: >> You can always make your software development life more simple by giving up >> on >> some useful feature. That -O2 vs. -O0 build is a good comparison. > > Since you keep repeating this one: -O2 vs. -O0 has a

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 20:52, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 20:25:10 +0200, Paul Wouters wrote: >> - complexity >> - complicated prelink blacklists >> - complicated cron job exclusion with sysconfig > > You can always make your software development life more simple by giving up on > some

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 20:40, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 20:24:06 +0200, Reindl Harald wrote: >> Am 15.10.2013 20:07, schrieb Jan Kratochvil: >>> This is a bug of update system it does not know if an updated service needs >>> restarting or not. >> >> you can always point with your finge

Re: prelink performance gains

2013-10-15 Thread Chris Adams
Once upon a time, Jan Kratochvil said: > It depends, for example in this case prelink saves 33% of time (and battery): > i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help > &>/dev/null;i=$[$i+1];done Do you really run "gnome-open --help" 1000 times per reasonable unit of time (o

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 20:54:06 +0200, Chris Adams wrote: > Since you keep repeating this one: -O2 vs. -O0 has a significant > performance gain. The message that started this thread indicates that > prelink may not have a significant gain anymore. If that's the case, > than _any_ effort is not worth

Re: prelink performance gains

2013-10-15 Thread Chris Adams
Once upon a time, Jan Kratochvil said: > You can always make your software development life more simple by giving up on > some useful feature. That -O2 vs. -O0 build is a good comparison. Since you keep repeating this one: -O2 vs. -O0 has a significant performance gain. The message that started

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 20:25:10 +0200, Paul Wouters wrote: > - complexity > - complicated prelink blacklists > - complicated cron job exclusion with sysconfig You can always make your software development life more simple by giving up on some useful feature. That -O2 vs. -O0 build is a good comparis

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 20:24:06 +0200, Reindl Harald wrote: > Am 15.10.2013 20:07, schrieb Jan Kratochvil: > > This is a bug of update system it does not know if an updated service needs > > restarting or not. > > you can always point with your finger somewhere else > the better way is solve the root

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Carlos O'Donell
On 10/15/2013 02:27 PM, Jakub Jelinek wrote: > On Tue, Oct 15, 2013 at 02:16:28PM -0400, Carlos O'Donell wrote: >> There is no effective security difference between accessing the randomized >> stack guard value from a global variable or a value stored in the dynamic >> thread vector. >> >> It is on

Re: Target Display Mode in Fedora

2013-10-15 Thread Matthew Garrett
On Tue, Oct 15, 2013 at 11:52:41AM -0600, Chris Murphy wrote: > > On Oct 15, 2013, at 10:36 AM, Matthew Garrett wrote: > > > On Tue, Oct 15, 2013 at 09:36:32AM -0600, Chris Murphy wrote: > > > >> Or maybe Intel would be forthcoming. It's their hardware. > > > > Not in this case. Target display

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 20:07, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 19:54:15 +0200, Reindl Harald wrote: >> have fun in distinct between prelink caused "needs-restarting" or real > > This is a bug of update system it does not know if an updated service needs > restarting or not. you can always p

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 19:54, schrieb Chris Adams: > Once upon a time, Jan Kratochvil said: >> On Tue, 15 Oct 2013 19:42:25 +0200, Reindl Harald wrote: >>> * look at the amount of updates and how they hit prelinked libraries until >>> prelink ran again >>> * look at the "lsof | grep DEL | grep /usr" ou

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 19:56, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 19:50:44 +0200, Simo Sorce wrote: >> Many tools need to juggle the fact these binaries have been changed, and >> make checkers more complex and prone to faults. > > So let's build the whole system with -O0 and we can throw away m

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 19:49, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 19:42:25 +0200, Reindl Harald wrote: >> * look at the amount of updates and how they hit prelinked libraries until >> prelink ran again >> * look at the "lsof | grep DEL | grep /usr" output caused by prelink > > Sorry I do not s

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 20:04, schrieb Miloslav Trmač: > On Tue, Oct 15, 2013 at 7:50 PM, Simo Sorce wrote: >> Prelink does big disadvantages, otherwise nobody would care. >> One is about security, as it negates randomization of addresses, > > Most of the security benefit is, AFAICS, not negated by preli

[perl-DateTime-Set] Created tag perl-DateTime-Set-0.33-1.fc20

2013-10-15 Thread Paul Howarth
The lightweight tag 'perl-DateTime-Set-0.33-1.fc20' was created pointing to: 088a2fe... Update to 0.33 -- Fedora Extras Perl SIG http://www.fedoraproject.org/wiki/Extras/SIGs/Perl perl-devel mailing list perl-de...@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/perl-deve

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Jakub Jelinek
On Tue, Oct 15, 2013 at 02:16:28PM -0400, Carlos O'Donell wrote: > There is no effective security difference between accessing the randomized > stack guard value from a global variable or a value stored in the dynamic > thread vector. > > It is only a performance optimization. The choice of a glob

[perl-DateTime-Set] Created tag perl-DateTime-Set-0.33-1.fc21

2013-10-15 Thread Paul Howarth
The lightweight tag 'perl-DateTime-Set-0.33-1.fc21' was created pointing to: 088a2fe... Update to 0.33 -- Fedora Extras Perl SIG http://www.fedoraproject.org/wiki/Extras/SIGs/Perl perl-devel mailing list perl-de...@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/perl-deve

Re: prelink performance gains

2013-10-15 Thread Paul Wouters
On Tue, 15 Oct 2013, Jan Kratochvil wrote: I just do not understand why to give up on that negligible optimization when it brings no disadvantages. Because you did not my previous email? - complexity - complicated prelink blacklists - complicated cron job exclusion with sysconfig - FIPS foot-

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Matthew Garrett
On Tue, Oct 15, 2013 at 02:16:28PM -0400, Carlos O'Donell wrote: > Pointer mangling is useful, but we can roll that change into an update > and it should not in my opinion block F20. > > I've filed: > Bug 1019452 - [ARM] Backport pointer mangling support from upstream. > https://bugzilla.redhat.c

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Carlos O'Donell
On 10/15/2013 12:53 PM, Matthew Garrett wrote: > On Tue, Oct 15, 2013 at 12:42:44PM -0400, Carlos O'Donell wrote: >> On 10/14/2013 10:55 AM, Matthew Garrett wrote: >>> Did the arm32 portions of this end up being completed for F20? >> >> For 32-bit ARM on f20: >> >> - Stack guard: >> - Existing gl

Re: prelink performance gains

2013-10-15 Thread Simo Sorce
On Tue, 2013-10-15 at 19:56 +0200, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 19:50:44 +0200, Simo Sorce wrote: > > Many tools need to juggle the fact these binaries have been changed, and > > make checkers more complex and prone to faults. > > So let's build the whole system with -O0 and we can

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 19:54:15 +0200, Reindl Harald wrote: > have fun in distinct between prelink caused "needs-restarting" or real This is a bug of update system it does not know if an updated service needs restarting or not. > your notebooks are running 24 hours a day? > really? OT: Yes, really

Re: prelink performance gains

2013-10-15 Thread Miloslav Trmač
On Tue, Oct 15, 2013 at 7:50 PM, Simo Sorce wrote: > Prelink does big disadvantages, otherwise nobody would care. > One is about security, as it negates randomization of addresses, Most of the security benefit is, AFAICS, not negated by prelink (see https://lists.fedoraproject.org/pipermail/devel

Re: prelink performance gains

2013-10-15 Thread Josh Boyer
On Tue, Oct 15, 2013 at 10:56 AM, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 19:50:44 +0200, Simo Sorce wrote: >> Many tools need to juggle the fact these binaries have been changed, and >> make checkers more complex and prone to faults. > > So let's build the whole system with -O0 and we can thr

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 19:54:21 +0200, Chris Adams wrote: > Now you are wasting a chunk of RAM, as it can't be shared between > non-prelinked and prelinked bins/libs. OK, yes. I believe with RAM prices and therefore RAM sizes nowadays you will still have overall better system performance with prelin

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 19:50:44 +0200, Simo Sorce wrote: > Many tools need to juggle the fact these binaries have been changed, and > make checkers more complex and prone to faults. So let's build the whole system with -O0 and we can throw away most of compilers and half of debuggers, which are all n

Re: sysctl behavior for docker-io

2013-10-15 Thread Miloslav Trmač
On Mon, Oct 7, 2013 at 3:47 PM, Richard W.M. Jones wrote: > Another way to look at it might be: Since a lot of people have libvirt > installed (it's the default isn't it?) and hence forwarding has been > on for many people for a long time, what harm is it causing? RFC 1812 > 2.2.8.1 Embedded Rout

Re: prelink performance gains

2013-10-15 Thread Chris Adams
Once upon a time, Jan Kratochvil said: > On Tue, 15 Oct 2013 19:42:25 +0200, Reindl Harald wrote: > > * look at the amount of updates and how they hit prelinked libraries until > > prelink ran again > > * look at the "lsof | grep DEL | grep /usr" output caused by prelink > > Sorry I do not see

Re: Target Display Mode in Fedora

2013-10-15 Thread Chris Murphy
On Oct 15, 2013, at 10:36 AM, Matthew Garrett wrote: > On Tue, Oct 15, 2013 at 09:36:32AM -0600, Chris Murphy wrote: > >> Or maybe Intel would be forthcoming. It's their hardware. > > Not in this case. Target display mode is a vendor extension, and > switching it will be vendor specific. To

Re: sysctl behavior for docker-io

2013-10-15 Thread Miloslav Trmač
On Sun, Oct 6, 2013 at 11:32 PM, Lennart Poettering wrote: > This is the general problem that IP forwarding is no local setting, and > that the global setting has no inherent concept of ownership or > refcounting. The proper place for this seems to be firewalld, which should not only control the

Re: prelink performance gains

2013-10-15 Thread Simo Sorce
On Tue, 2013-10-15 at 19:32 +0200, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 18:27:23 +0200, Dhiru Kholia wrote: > > In spite of this fact, I believe that they are enough to demonstrate > > that prelink is not resulting in any big gains anymore. > > Nobody says prelink brings _big_ gains. It is

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 19:42:25 +0200, Reindl Harald wrote: > * look at the amount of updates and how they hit prelinked libraries until > prelink ran again > * look at the "lsof | grep DEL | grep /usr" output caused by prelink Sorry I do not see what disadvantage is it? > * look at the wasted cy

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
Am 15.10.2013 19:32, schrieb Jan Kratochvil: > On Tue, 15 Oct 2013 18:27:23 +0200, Dhiru Kholia wrote: >> In spite of this fact, I believe that they are enough to demonstrate >> that prelink is not resulting in any big gains anymore. > > Nobody says prelink brings _big_ gains. It is just a negli

Re: Anyone else using and interested in co-maintaining sogo?

2013-10-15 Thread Frankie Onuonga
Hi, sounds amazing. I could take it up but I can not promise to do so soon. I have some things on my hands that will need about a month to finish up. thanks, On Tue, Oct 15, 2013 at 4:35 PM, Sandro Mani wrote: > Hi, > > Needing a calendar server for the company, I've ended up packaging the

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 18:27:23 +0200, Dhiru Kholia wrote: > In spite of this fact, I believe that they are enough to demonstrate > that prelink is not resulting in any big gains anymore. Nobody says prelink brings _big_ gains. It is just a negligible performance and negligible battery optimization

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Matthew Garrett
On Tue, Oct 15, 2013 at 12:42:44PM -0400, Carlos O'Donell wrote: > On 10/14/2013 10:55 AM, Matthew Garrett wrote: > > Did the arm32 portions of this end up being completed for F20? > > For 32-bit ARM on f20: > > - Stack guard: > - Existing glibc support provides stack guard value in global >

Re: F20 System Wide Change: ARM as primary Architecture

2013-10-15 Thread Carlos O'Donell
On 10/14/2013 10:55 AM, Matthew Garrett wrote: > On Thu, Jul 11, 2013 at 01:39:21AM -0400, Carlos O'Donell wrote: > >> Next steps: >> - Verify libssp works correctly on 32-bit ARM. >> - Look at enhancing the existing support in glibc. >> - Add TLS stack guard. >> - Add TLS pointer guard. >>

Re: Target Display Mode in Fedora

2013-10-15 Thread Matthew Garrett
On Tue, Oct 15, 2013 at 09:36:32AM -0600, Chris Murphy wrote: > Or maybe Intel would be forthcoming. It's their hardware. Not in this case. Target display mode is a vendor extension, and switching it will be vendor specific. -- Matthew Garrett | mj...@srcf.ucam.org -- devel mailing list devel

Re: prelink performance gains

2013-10-15 Thread Dhiru Kholia
On 10/15/13 at 05:11pm, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 16:59:59 +0200, Daniel P. Berrange wrote: > > I wouldn't read that as saying that prelink is slowing down startup, > > rather that the benefit of prelink is so small as to be indistinguishable > > from the background noise. > > Tha

Re: Fedora and ECDHE: now supported in OpenSSL

2013-10-15 Thread Paul Wouters
On Tue, 15 Oct 2013, Reindl Harald wrote: since OpenSSL in Fedora from now on supports ECDHE depending software needs to be rebuilt to make use of it as well as libraries like NSS/GNUTLS should do the same and depending packages like Firefox needs a rebuild against refreshed NSS to support it al

Re: prelink performance gains

2013-10-15 Thread Reindl Harald
the prelink default should be banned from the distribution because this is always the excuse not activate hardening-flags for packages because PIE binaries are not prelinked and people still insist it brings great performance gains which is mostly not true Am 15.10.2013 14:19, schrieb Dhiru Kholia

Fedora and ECDHE: now supported in OpenSSL

2013-10-15 Thread Reindl Harald
since OpenSSL in Fedora from now on supports ECDHE depending software needs to be rebuilt to make use of it as well as libraries like NSS/GNUTLS should do the same and depending packages like Firefox needs a rebuild against refreshed NSS to support it also on the client side i made some triage tod

Re: prelink performance gains

2013-10-15 Thread Daniel P. Berrange
On Tue, Oct 15, 2013 at 04:54:16PM +0200, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 16:21:01 +0200, Daniel P. Berrange wrote: > > To justify removing it, we just need to collect data to show that those > > performance benefits no longer exist, with current hardware and software > > combination in

[389-devel] please review: Ticket 47519 - memory leaks in access control

2013-10-15 Thread Mark Reynolds
https://fedorahosted.org/389/ticket/47519 https://fedorahosted.org/389/attachment/ticket/47519/0001-Ticket-47519-memory-leaks-in-access-control.patch -- Mark Reynolds 389 Development Team Red Hat, Inc mreyno...@redhat.com -- 389-devel mailing list 389-de...@lists.fedoraproject.org https://admin

Re: Target Display Mode in Fedora

2013-10-15 Thread Chris Murphy
On Oct 15, 2013, at 2:15 AM, David Airlie wrote: > >> The iMac and HP Z1 have a bi-directional DisplayPort/Thunderbolt port, which >> lets them be used as a Display for another computer. Apple calls it Target >> Display Mode, though HP doesn't seem to have a special name for it. This is >> real

Anyone else using and interested in co-maintaining sogo?

2013-10-15 Thread Sandro Mani
Hi, Needing a calendar server for the company, I've ended up packaging the groupware server SOGo [1], which is a neat MS Exchange alternative. SRPM of sogo plus deps are here: http://smani.fedorapeople.org/review/sogo-2.0.7-1.fc21.src.rpm http://smani.fedorapeople.org/review/sope-2.0.7-1.fc21

Re: Code Hosting, Development Tools and Open Source

2013-10-15 Thread Kamil Paral
> I've been kicking this idea around for a bit and have chatted a little > with people on IRC but as we're looking to start up development on > taskbot, I want to have a larger discussion on two issues: where do we > host code and what do we want to use for dev support tools (issue > tracking, code

Re: Alternative to Debian origins?

2013-10-15 Thread Sérgio Basto
On Ter, 2013-10-15 at 15:19 +0200, Miroslav Suchý wrote: > In Debian distributions exist file: >/etc/dpkg/origins/default > which is symlink to >/etc/dpkg/origins/debian > with content: >Vendor: Debian >Vendor-URL: http://www.debian.org/ >Bugs: debbugs://bugs.debian.org > > Do

Re: prelink performance gains

2013-10-15 Thread Daniel P. Berrange
On Tue, Oct 15, 2013 at 05:11:52PM +0200, Jan Kratochvil wrote: > On Tue, 15 Oct 2013 16:59:59 +0200, Daniel P. Berrange wrote: > > I wouldn't read that as saying that prelink is slowing down startup, > > rather that the benefit of prelink is so small as to be indistinguishable > > from the backgro

Re: prelink performance gains

2013-10-15 Thread Jan Kratochvil
On Tue, 15 Oct 2013 17:04:05 +0200, Matthew Miller wrote: > But, since prelink presents other problems on its own, Prelinked system is a good test for tools like GDB, elfutils and others they can properly handle the displacements of sections/segments. This is something that ELF does not forbid so

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