Re: Overscheduling DOES happen with high web server load.

Kurt Garloff (garloff@suse.de)
Thu, 6 May 1999 21:02:04 +0200


--2B/JsCI69OhZNC5r
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable

On Thu, May 06, 1999 at 05:39:35PM +0200, Andrea Arcangeli wrote:
> On Wed, 5 May 1999, Phillip Ezolt wrote:
> >
> >In doing some performance work with SPECWeb96 on ALpha/Linux with apache,
> >it looks like "schedule" is the main bottleneck.=20
>=20
> Alt. Alpha uses HZ at 1024 so you get a scheduling rate by default 10
> times higher than in all other archs.

=46rom what I understand, the scheduling is not caused by the timer but by
blocking and woken processes.

--=20
Kurt Garloff <garloff@suse.de> SuSE GmbH, N=FCrnberg, FRG
Linux kernel development; SCSI driver: DC390 (tmscsim/AM53C974)

--2B/JsCI69OhZNC5r
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3in

iQCVAwUBNzHnLBaQN/7O/JIVAQE7kwP/fKhXWZhSES0WhOUUzYQpXNUAzlqF+yws
MGoqncJT/fwexzLI06ghRPk22tISM4B26nW/ihQD4RnpXiM9IPyyRubf3HjJ5BD8
UWCqe4597aYeWXbvtOC43pKvityWKFfaKXqXF5tuIfZ6pZ5upbllIr4Lux01xcWY
T9CAazJ52a8=
=yird
-----END PGP SIGNATURE-----

--2B/JsCI69OhZNC5r--

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/