Low Tx-Rx performance with 10Gb NICs

2013-05-24 Thread Igor Mozolevsky
On Friday, 24 May 2013, Axel Fischer wrote: Additionally I noticed the following TCP errors > with netstat -s ...: > > 1186 data packets (1717328 bytes) retransmitted > 6847875 window update packets > 2319 duplicate acks > 25831 out-of-order packets (37403288 bytes) > 3733 discarded due to memory

Re: Low Tx-Rx performance with 10Gb NICs

2013-05-23 Thread Igor Mozolevsky
On 23 May 2013 19:00, Lino Sanfilippo wrote: > Is there a known issue concerning high traffic on Tx and Rx paths? Are there > any system > settings I could adjust to get the expected performance? Any hints are very > appreciated. check your ierrs and oerrs: netstat -s 1, I've noticed I'm gett

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-19 Thread Igor Mozolevsky
On 19 January 2012 16:35, Robert Huff wrote: > > Igor Mozolevsky writes: > >>  > Wouldn't this discourage even more people from helping? >> >>  Would this not separate people who have a genuine interest in >>  contributing from "tinker-monkeys&qu

Re: Getting PRs fixed (was: Re: ...focus, longevity, and lifecycle)

2012-01-19 Thread Igor Mozolevsky
On 19 January 2012 11:55, Julian H. Stacey wrote: > Igor Mozolevsky wrote: >> On 19 January 2012 00:57, Dieter BSD wrote: >> >> > Idea 2: Give it status. Set up a web page with PR fixing stats >> > >> > name/handle..total PRs fixed...fixed in last 1

Re: Getting PRs fixed (was: Re: ...focus, longevity, and lifecycle)

2012-01-18 Thread Igor Mozolevsky
On 19 January 2012 00:57, Dieter BSD wrote: > Idea 2: Give it status. Set up a web page with PR fixing stats > > name/handle..total PRs fixed...fixed in last 12 months...average fixed/year > Sheldon..150...9072 > Leonard..131..110...

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 22:53, Mark Blackman wrote: > > On 18 Jan 2012, at 22:50, Igor Mozolevsky wrote: > >> On 18 January 2012 22:31, Mark Blackman wrote: >> >>> 10.0 - Nov 2013 >> >> I think 10.0 should be released based on feature-readiness and not on

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 22:31, Mark Blackman wrote: > 10.0 - Nov 2013 I think 10.0 should be released based on feature-readiness and not on some arbitrary date... -- Igor M. ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/lis

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:56, Andriy Gapon wrote: > on 18/01/2012 19:13 Daniel Eischen said the following: >> "someone who owns a branch..." - If you cut release N.0, do not >> move -current to N+1.  Keep -current at N for a while, prohibiting >> ABI changes, and any other risky changes.  If a develop

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 18:27, Adam Vande More wrote: > I've suggested this before without much response, but since this thread > seems to be encouraging repetition I'll give it another go.  ;) > > I think a bounty system would be very effective(e.g. micro-donations of > recent political campaigns) in

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:30, Chris Rees wrote: > On 18 Jan 2012 17:12, "Igor Mozolevsky" wrote: >> Back in the days when the UK banks ran ATMs, &c on Windows NT (I >> have no idea what they are running now) > Well I've not seen any BSOD'd cashp

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:06, Devin Teske wrote: > > >> -Original Message- >> From: owner-freebsd-hack...@freebsd.org [mailto:owner-freebsd- >> hack...@freebsd.org] On Behalf Of Julian Elischer >> Sent: Tuesday, January 17, 2012 10:56 AM >> To: Mark Felder >> Cc: freebsd-hackers@freebsd.org >>

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 13:11, Eitan Adler wrote: > On Tue, Jan 17, 2012 at 8:41 PM, Igor Mozolevsky > wrote: >> One way to >> "encourage" people to fix their code would be to prevent them from >> committing to -CURRENT once they pass a certain threshold of >&

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 11:08, Andriy Gapon wrote: > on 18/01/2012 12:54 Igor Mozolevsky said the following: [snip] >>> There are about 5000 open PRs for FreeBSD base system, maybe more. >>> There are only a few dozens of active FreeBSD developers.  Maybe less for >>>

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 09:25, Andriy Gapon wrote: > on 18/01/2012 02:16 Igor Mozolevsky said the following: >> Seriously, WTF is the point of having a PR system that allows patches >> to be submitted??! When I submit a patch I fix *your* code (not yours >> personally, but you get

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 18 January 2012 01:11, Eitan Adler wrote: > It takes time to review and test patches. There are a lot of people > that think "it only takes 30 seconds to download the patch, apply, and > commit."  This is just not true. I fully understand that and it is not what I was saying, what I was sayin

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 18 January 2012 00:00, Andriy Gapon wrote: > Just a note: the next best thing you can to _not_ have a patch committed is to > just open a PR and stop at that.  The best thing being not sharing the patch > at > all :-) [snip] > Some things that help: > - send a problem description and a patc

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 23:01, Adrian Chadd wrote: > If you'd like to see: > > ... more frequent releases? then please step up and help with all the > infrastructure needed to roll out test releases, including building > _all_ the ports. A lot of people keep forgetting that a "release" is > "build all

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 15:39, Mark Felder wrote: > FreeBSD is increasingly becoming a third world citizen thanks to > virtualization efforts being focused on Linux, so I feel that more > frequent releases won't help as many people as you think. I would guess that for folks like VMWare, the choice of

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 16:48, Freddie Cash wrote: > On Tue, Jan 17, 2012 at 7:32 AM, Igor Mozolevsky > wrote: >> Actually, I don't think it's cash that's the problem. I think it is >> more to do with the lack of common goal: the way that releases are >> perc

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 14:20, Ivan Voras wrote: > On 17 January 2012 14:49, Igor Mozolevsky wrote: >> On 17 January 2012 13:44, Ivan Voras wrote: >>> On 17/01/2012 07:32, Atom Smasher wrote: >>>> >>>> what percentage of linux devs are on salary to de

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 13:44, Ivan Voras wrote: > On 17/01/2012 07:32, Atom Smasher wrote: >> >> On Tue, 17 Jan 2012, richo wrote: >> >>> This would be a different argument if all the devs were paid a salary. >> >> == >> >> what percentage of linux devs are on salary to develop linux? > >

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-16 Thread Igor Mozolevsky
On 17 January 2012 01:02, richo wrote: > This would be a different argument if all the devs were paid a salary. Isn't this a bit of a cyclical argument: developers don't work because they are not paid a salary, the end-user base shrinks, BigCo doesn't want to pay for someone to put extra work in

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-16 Thread Igor Mozolevsky
On 17 January 2012 02:25, richo wrote: > On 17/01/12 02:21 +0000, Igor Mozolevsky wrote: >> >> On 17 January 2012 01:02, richo wrote: >> >>> This would be a different argument if all the devs were paid a salary. >> >> >> Isn't this a bit

Re: sysbench / fileio - Linux vs. FreeBSD

2010-06-05 Thread Igor Mozolevsky
/usr/src : zfs with compression enabled /usr/src : 386.3MB/s >>> Do I understand it well? It seems that zfs with compression enabled on >>> /usr/src with 8KB block size and 16 threads performs 386.3MB/s which >>> is about 6 times better than debian5? I am thinking about this image >>> ht

Re: sysbench / fileio - Linux vs. FreeBSD

2010-06-04 Thread Igor Mozolevsky
On 5 June 2010 00:58, Adam PAPAI wrote: > How can I tune my disk to make it faster? Is it possible? What is the > reason of the really slow I/O with more than 4 threads? What do you > recommend me to do? Why is it damn slow with 8K blocksize? Does linux still have async disk writes by default?

Re: Spin down HDD after disk sync or before power off

2010-01-27 Thread Igor Mozolevsky
2010/1/27 Oliver Fromme : > Second, you should make sure that ATA_STANDBY_IMMEDIATE is > only used when a poweroff is requested, but not in other > cases.  Of course, ATA_FLUSHCACHE should *always* be sent. Would SLEEP not be a better option than STANBY IMMEDIATE, as SLEEP actually turns the disk

Re: Spin down HDD after disk sync or before power off

2010-01-26 Thread Igor Mozolevsky
2010/1/27 Igor Mozolevsky : > Hold on, does STANDBY IMMEDIATE not abort the previous command within > some short timeframe? What if there are pending writes? Nope, ignore me... ___ freebsd-hackers@freebsd.org mailing list http://lists.freeb

Re: Spin down HDD after disk sync or before power off

2010-01-26 Thread Igor Mozolevsky
2010/1/26 Alexander Best : > attached you'll find a very simple patch which issues ATA_STANDBY_IMMEDIATE > instead of ATA_FLUSHCACHE during hdd spin down. Hold on, does STANDBY IMMEDIATE not abort the previous command within some short timeframe? What if there are pending writes? Cheers, -- Ig

Re: llvm/clang a tool chain or just a compiler for FreeBSD?

2009-07-22 Thread Igor Mozolevsky
2009/7/22 Kostik Belousov : > I believe that the nearest action that is quite reasonable and > profitable by its own merit is divorcing base compiler and compiler used > to build ports. Even if this means that we would "only" have different > versions of gcc. On a similar note, has anyone one tr

Re: c question: *printf'ing arrays

2009-07-04 Thread Igor Mozolevsky
2009/7/4 Giorgos Keramidas : [snip] s/0x%/%#.2hh/g -- Igor ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best : > should be stdout. > > > struct Header *hdr = rom; > > int new_fd = open("/dev/stdout", O_RDWR); > > printf("SIZE: %d\n",sizeof(*hdr)); > > write(new_fd, hdr, sizeof(*hdr)); > > close(new_fd); You should really be checking what open returns, opening /dev/stdout for read

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best : > that works, but i really want to have a pretty output to stdout. i guess i > have to stick with printf and use `for (i=0; i < sizeof(XXX); i++)` for each > array in the struct. just thought i could avoid it. > > btw. `./my-program | hexdump` works, but if i do `./my-pro

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best : > thanks. but that simply dumps the contents of the struct to stdout. but since > most of the struct's contents aren't ascii the output isn't really of much > use. How about ./your-program | hexdump ? -- Igor ___ freebsd-hacke

Re: open(2) and O_NOATIME

2008-10-31 Thread Igor Mozolevsky
2008/10/31 Jeremy Chadwick <[EMAIL PROTECTED]>: > ... If that's what you were referring to, then possibly making O_NOATIME > only to root would be a suitable compromise. And no systems are compromised with rootkits?.. Igor :-) ___ freebsd-hackers@free

Re: SSH Brute Force attempts

2008-09-30 Thread Igor Mozolevsky
2008/9/30 Oliver Fromme <[EMAIL PROTECTED]>: > > Bill Moran wrote: > > In response to Oliver Fromme <[EMAIL PROTECTED]>: > > > Pierre Riteau wrote: > > > > > > > Because the 3-way handshake ensures that the source address is > not being > > > > spoofed, more aggressive action can be

Re: Possible bug (amd64/i386)

2008-09-06 Thread Igor Mozolevsky
2008/9/6 Jeroen Ruigrok van der Werven <[EMAIL PROTECTED]>: > -On [20080906 20:41], Alexander Sizov ([EMAIL PROTECTED]) wrote: >>Sep 5 00:34:38 test kernel: seScyonncdisn)g fdoirs kssy,s tvenmo >>dperso creesmsa i`nsiynngc.e.r.' to3 stop...0 0 done > > On my AMD64 box (using 32 bit FreeBSD due t

Re: Sysinstall is still inadequate after all of these years

2008-07-03 Thread Igor Mozolevsky
2008/7/3 Doug Barton <[EMAIL PROTECTED]>: > 1. It should be library-based and therefore be capable of supporting at > least a few different UIs (see above). > 2. At least one of those UIs should be functional over a standard serial > console. > 3. It should be scriptable. I was thinking of doing

Re: Summer of Code 2008 Project Ideas

2008-03-17 Thread Igor Mozolevsky
On 17/03/2008, Murray Stokely <[EMAIL PROTECTED]> wrote: > The FreeBSD Project was again accepted as a mentoring organization for > the Google Summer of Code. The student application period will begin > next week so if you have any ideas for great student projects, please > send them to [EMAIL

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-25 Thread Igor Mozolevsky
On 25/02/2008, Bill Moran <[EMAIL PROTECTED]> wrote: > In response to "Igor Mozolevsky" <[EMAIL PROTECTED]>: > > > Crypto is merely a way of obfuscating data, and we all know the truth > > about security by obscurity, right? > > > I don't t

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-25 Thread Igor Mozolevsky
On 24/02/2008, Bill Moran <[EMAIL PROTECTED]> wrote: > "Igor Mozolevsky" <[EMAIL PROTECTED]> wrote: [snip] > > IMO the possibility of such attack is so remote that it doesn't really > > warrant any special attention, it's just something that s

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-24 Thread Igor Mozolevsky
On 24/02/2008, Bill Moran <[EMAIL PROTECTED]> wrote: > "Igor Mozolevsky" <[EMAIL PROTECTED]> wrote: > > > > On 23/02/2008, Brooks Davis <[EMAIL PROTECTED]> wrote: > > > > > > > > You should actually read the paper. :) They suc

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-23 Thread Igor Mozolevsky
On 23/02/2008, Brooks Davis <[EMAIL PROTECTED]> wrote: > > You should actually read the paper. :) They successfully defeat both > of these type of protections by using canned air to chill the ram and > transplanting it into another machine. Easy to get around this attack - store the key on a us