Date: Thu, 23 Aug 2001 17:47:19 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Jim Mercer <jim@reptiles.org> Cc: freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org Subject: Re: totally weirdass problem, Squid-2.3-4 and FreeBSD Message-ID: <Pine.BSF.4.21.0108231746400.54256-100000@InterJet.elischer.org> In-Reply-To: <20010823153250.H10630@reptiles.org>
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the paranoid answer is that someone is replacing your squid and rebooting the system to cover their tracks... On Thu, 23 Aug 2001, Jim Mercer wrote: > > [ i'm not on hackers or questions lists, so a Cc: would be appreciated on any > replies ] > > i have a squid server in pakistan that is exhibiting some really, really screwy > behaviour. > > firstly, it is running FreeBSD 4.x-stable (circa Feb 2001) > > secondly it is running squid-2.3 stable4 > > when we initially set it up, we found that the default kernel maxfiles of > 2088 was inadequate. > > using sysctl (/etc/sysctl.conf) we bumped it (and procmaxfile) up to 10000. > > squid didn't seem to find the 10000 after this, only 2088. > > someone mentioned that squid calculates the number of descriptors at compile > time. > > so, we recompiled squid, restarted, and voila, it found the 10000. > > a few weeks ago, i was informed that it was running out of file descriptors. > > i checked it out, and for some reason, squid was only seeing 2088 again. > > sysctl -a showed me that it was in fact having 10000. > > i figured maybe someone re-installed squid. > > so i did a: > > # cd /usr/ports/www/squid23 > # make clean > # make > # make install (or maybe reinstall) > > restarted squid, and lo and behold, it was seeing 10000 descriptors again. > > yesterday, i got a message that it was out of descriptors again. > > this time, i noticed that the box had been rebooted recently. > > sysctl -a still showed 10000, but squid was only seeing 2088. > > now, this is the weird, weird, weird part. > > without rebooting or anything, i killed squid and did: > # cd /usr/ports/www/squid23 > # make reinstall > > i restarted squid, and lo and behold, it saw 10000 descriptors. > > i had a close look at what "make reinstall" did, and as best i can tell it > did not update any config files, just programs. > > now, WTF would cause the binary to get a different perspective on the > number of file descriptors between boottime and reinstall ? > > -- > [ Jim Mercer jim@reptiles.org +1 416 410-5633 ] > [ Now with more and longer words for your reading enjoyment. ] > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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