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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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[-- Attachment #1 --]

    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=#000000 size=2>&nbsp;&nbsp;&nbsp; <FONT 
color=#000000>Hi,</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT 
color=#000000>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 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.</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000></FONT></FONT>&nbsp;</DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000></FONT></FONT>&nbsp;</DIV>
<DIV><FONT color=#000000 size=2><FONT 
color=#000000>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Nicholas 
Vinen</FONT></FONT></DIV></BODY></HTML>

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