Date: Thu, 3 Jun 2004 15:36:36 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Pete French <petefrench@keithprowse.com> Cc: freebsd-stable@freebsd.org Subject: Re: Possible portrange.randomized problems? Message-ID: <20040603153507.A23800@odysseus.silby.com> In-Reply-To: <E1BVpnO-00009A-Ai@dilbert.firstcallgroup.co.uk> References: <E1BVpnO-00009A-Ai@dilbert.firstcallgroup.co.uk>
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On Thu, 3 Jun 2004, Pete French wrote: > > Sounds like we're confusing problems then. I have no insight into the > > MySQL problems, unfortunately. > > The mysql problem is (for me) also the portrange problem. See other email, > the mysql connection problem goes away when I disable the randomisation. As > it only started with 4.10 (when randomisation arived) then thats fairly > good circumstantial evidence. Other people seeem to have been having > other problems with mysql since 4.9 though. > > -pcf. Are you using TCP sockets for the connection to MySQL? If the MySQL connections are triggered by some sort of website, perhaps you could use http_load or apachebench to cause the problem to happen quickly, thereby allowing you to test with portrange=1 and confirm whether or not sockets are (temporarily) stick in the SYN_SENT state. Mike "Silby" Silbersack
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