On 12.10.2013, at 18:14, Konstantin Belousov wrote:
>>
>> First I tried with some swap space configured. The OS started to swap out
>> my process after it reached about 20GB which is also not what I expected:
>> what is the reason to swap out regions of read-only mmap()ed files? Is it
>>
On 12.10.2013, at 13:59, Konstantin Belousov wrote:
>
> I was not able to reproduce the situation locally. I even tried to start
> a lot of threads accessing the mapped regions, to try to outrun the
> pagedaemon. The user threads sleep on the disk read, while pagedaemon
> has a lot of time to re
On 11.10.2013, at 9:17, Konstantin Belousov wrote:
> On Wed, Oct 09, 2013 at 03:42:27PM +0400, Dmitry Sivachenko wrote:
>> Hello!
>>
>> I have a program which mmap()s a lot of large files (total size more that
>> RAM and I have no swap), but it needs only sma
Hello!
I have a program which mmap()s a lot of large files (total size more that RAM
and I have no swap), but it needs only small parts of that files at a time.
My understanding is that when using mmap when I access some memory region OS
reads the relevant portion of that file from disk and cac
Hello!
I am using FreeBSD-9-STABLE on the following hardware:
FreeBSD/SMP: Multiprocessor System Detected: 24 CPUs
FreeBSD/SMP: 2 package(s) x 6 core(s) x 2 SMT threads
So I have 2 physical CPUs with 6 core each.
# cpuset -g
pid -1 mask: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
On Sun, May 09, 2004 at 09:53:50PM -0400, Martin Cracauer wrote:
> Dmitry Sivachenko wrote on Fri, Apr 30, 2004 at 03:28:29PM +0400:
> >
> > We use recent -STABLE.
> > We observed /bin/sh looping forever executing a script.
> > We run this script with -T option to sh(
Hello!
We use recent -STABLE.
We observed /bin/sh looping forever executing a script.
We run this script with -T option to sh(1).
When sh(1) receives a HUP, we entering our trap handler which spawns
child process. When this process exits, sh(1) loops.
The backtrace is the following:
(gdb) bt
#
On Thu, Jun 19, 2003 at 10:56:41AM +0200, Gary Jennejohn wrote:
>
> Dmitry Sivachenko writes:
> > On Wed, Jun 18, 2003 at 06:08:37PM +0200, Gary Jennejohn wrote:
> > >
> > > Dmitry Sivachenko writes:
> > > > Hello!
> > > >
> > >
On Wed, Jun 18, 2003 at 06:08:37PM +0200, Gary Jennejohn wrote:
>
> Dmitry Sivachenko writes:
> > Hello!
> >
> > Is there any reason why struct ipc_perm is not protected by #ifdef _KERNEL
> > in ipc.h? Is it supposed to be used from userland?
> >
>
>
Hello!
Is there any reason why struct ipc_perm is not protected by #ifdef _KERNEL
in ipc.h? Is it supposed to be used from userland?
Thanks!
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On Wed, Apr 02, 2003 at 05:44:28PM +0400, Dmitry Sivachenko wrote:
> Hello!
>
> Fatal trap 12: page fault while in kernel mode
> mp_lock = 0102; cpuid = 1; lapic.id =
> fault virtual address = 0x5cdd8000
> fault code = supervisor read, page not pre
Hello!
We have three machines under relatively high load. They are running -STABLE
on the same hardware with 2 processors (and SMP kernel).
Periodically (approximately once a week) they panic with similar symptoms:
# gdb -k kernel.debug vmcore.2
GNU gdb 4.18 (FreeBSD)
Copyright 1998 Free Softwar
Hello!
What does 'ffsfsn' state (shown in top(1) output) mean?
I am inserting records in Postgres, and the process is going very slowly
probably due to postgres is in this state...
Thanks,
--dima
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Hello!
I use recent FreeBSD-4-STABLE.
When I changed my processor from Intel Pentium 200 MMX to AMD K6-2 500,
I can neither recompile operating system nor compile other programs.
>From kernel compilation:
cc -c -O -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes
-Wmissing-prototyp
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