Date: Wed, 10 May 2006 16:15:49 +0300 From: Vasil Dimov <vd@FreeBSD.org> To: Iasen Kostov <tbyte@otel.net> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Heavy system load by pagedaemon Message-ID: <20060510131549.GA15862@qlovarnika.bg.datamax> In-Reply-To: <1147265038.51661.19.camel@DraGoN.OTEL.net> References: <1147264089.51661.10.camel@DraGoN.OTEL.net> <1147264379.51661.14.camel@DraGoN.OTEL.net> <1147265038.51661.19.camel@DraGoN.OTEL.net>
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On Wed, May 10, 2006 at 03:43:58PM +0300, Iasen Kostov wrote:
> On Wed, 2006-05-10 at 15:32 +0300, Iasen Kostov wrote:
> > On Wed, 2006-05-10 at 15:28 +0300, Iasen Kostov wrote:
> > > Hello
> > > I (probably) have some problem with a hosting server machine halting
> > > about once a 30 to minute (probably when the free memory falls under
> > > some threshold). At that moment the machine totally halts for about 5=
sec
> > > then resumes normal work with load average around 9-15 (depends on
> > > system load) from about 2-3. The system is:
> > > (nice try :()
> > FreeBSD 6.1-PRERELEASE #7: Wed Mar 15 17:35:21 EET 2006
> >=20
> > ACPI APIC Table: <PTLTD APIC >
> > Timecounter "i8254" frequency 1193182 Hz quality 0
> > CPU: Dual Core AMD Opteron(tm) Processor 270 (2004.56-MHz K8-class CPU)
> > Origin =3D "AuthenticAMD" Id =3D 0x20f12 Stepping =3D 2
> >=20
> > Features=3D0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,=
PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
> > Features2=3D0x1<SSE3>
> > AMD Features=3D0xe2500800<SYSCALL,NX,MMX+,<b25>,LM,3DNow+,3DNow>
> > real memory =3D 8724152320 (8320 MB)
> > avail memory =3D 8315379712 (7930 MB)
> > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> >=20
> Hum, I was probably wrong about the free memory threshold - it
> currently has ~1600MB of free and it is doing it again. When the free
> memory falls under ~30MB it is just doing it more frequently.
>=20
If you are absolutely sure there is a problem with the OS the first
thing you should (probably) do is to upgrade to 6.1-STABLE
Good luck!
--=20
Vasil Dimov
gro.DSBeerF@dv
Testing can show the presence of bugs, but not their absence.
-- Edsger W. Dijkstra
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