Date: Fri, 2 Jul 1999 21:22:17 -0600 From: "Nicholas Vinen" <hb@sonique.com> To: <freebsd-bugs@FreeBSD.ORG> Subject: Crashing problems Message-ID: <000701bec503$4312c570$6d00a8c0@heaven.space.net>
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Hi,
We have two web servers running FreeBSD. We had 3.0 crash a lot, =
and so we installed 3.1 on the new one (and plan to upgrade to 3.2 as =
soon as we can) but it still seems to not be able to handle very much =
load at all. On the 3.0 machine we had to set the NMBCLUSTERS value to =
16384 (4x the recommended limit) to get it stable enough to stay up for =
one day. I don't know what the NMBCLUSTERS is on the 3.1 machine but it =
crashes almost as soon as it's up from the web traffic being delivered =
to it. All it's running basically is apache. Is this a known problem, =
that this value is too low? If our traffic continues to grow like this =
we might have to set the value even above 16384. (8192 was definately =
not high enough). Could the fact that the machine often has over 1000 =
processes (50+ running) be causing it to crash too? we really need it to =
be stable, it's offsite and quite popular.
Nicholas Vinen
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<DIV><FONT color=3D#000000 size=3D2> <FONT=20
color=3D#000000>Hi,</FONT></FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2><FONT=20
color=3D#000000> We have two =
web servers=20
running FreeBSD. We had 3.0 crash a lot, and so we installed 3.1 on the =
new one=20
(and plan to upgrade to 3.2 as soon as we can) but it still seems to not =
be able=20
to handle very much load at all. On the 3.0 machine we had to set the=20
NMBCLUSTERS value to 16384 (4x the recommended limit) to get it stable =
enough to=20
stay up for one day. I don't know what the NMBCLUSTERS is on the 3.1 =
machine but=20
it crashes almost as soon as it's up from the web traffic being =
delivered to it.=20
All it's running basically is apache. Is this a known problem, that this =
value=20
is too low? If our traffic continues to grow like this we might have to =
set the=20
value even above 16384. (8192 was definately not high enough). Could the =
fact=20
that the machine often has over 1000 processes (50+ running) be causing =
it to=20
crash too? we really need it to be stable, it's offsite and quite=20
popular.</FONT></FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2><FONT =
color=3D#000000></FONT></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2><FONT =
color=3D#000000></FONT></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2><FONT=20
color=3D#000000> Nicholas=20
Vinen</FONT></FONT></DIV></BODY></HTML>
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