Date: Tue, 27 Jan 2004 13:11:10 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= <des@des.no> Cc: current@freebsd.org Subject: Re: 'kern.maxpipekva exceeded' messages... Message-ID: <20040127130947.C4636@odysseus.silby.com> In-Reply-To: <xzpptd5mep9.fsf@dwp.des.no> References: <20040119233546.S39477@odysseus.silby.com> <xzpznc9tzgz.fsf@dwp.des.no><xzpr7xl8i1a.fsf@dwp.des.no> <xzpptd5mep9.fsf@dwp.des.no>
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On Tue, 27 Jan 2004, Dag-Erling [iso-8859-1] Sm=F8rgrav wrote: > Mike Silbersack <silby@silby.com> writes: > > There is a limit, no single pipe can grow beyond BIG_PIPE_SIZE, which i= s > > presently defined as 64K. Well, unless there is a leak, of course. :) > > The backup script uses exactly *one* pipe (between dump and ssh), and > that one pipe seems to make all the difference between using barely > 300 kB pipe kva, and hitting the 8 MB limit... Whoa! > > > Is it really crashing? That's not supposed to happen. :( > > Yes, it crashes when it runs out of pipekva. I wasn't there when it > happened, but I did get a frantic phone call asking what to do :| Double whoa. You'd better see if you can recreate this problem before investigating any of what I wrote; the code as it exists right now should have handled that situation without a problem. Mike "Silby" Silbersack
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