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Dan Wilder writes: >On Tue, Oct 28, 2003 at 08:24:49AM -0500, [EMAIL PROTECTED] wrote: >> >> For the past couple of weeks or so, like most of you, I've seen total spam >> volume almost double again. At this point, the server in question (dual >> PIII-550 L440GX) is seeing loads as high as 30.00 and beyond, usually >> during the day. However, it hasn't rebooted itself that I can recall in >> over a year. It has rebooted itself twice in the past two days, first >> early in the morning yesterday (around 6:30am) and again late last night >> (around 1am). >> >> The only recent changes I've made is to upgrade to SA 2.60 using perl 5.8 >> vs older versions of both, which I did a couple of weeks ago. Has anyone >> else noticed similar issues with either SA 2.60 or perl 5.8? > >No, but I _have_ noticed that SA can reach a load tipping point. >If you start pushing spamd processes off into swap, it's all over. >Better hope the email abates very soon, or you'll max out swap. > >First noticed that with 2.55 on a server which was also running a >lightly-loaded but critical DB which got corrupted when swap maxed >out. After fixing that I moved SA to a dedicated server of its own >and used spamd -m 30 to limit number of processes to what I'd determined >by experiment the server could handle. > >Since then there's been no such problem here. Yes -- -m is essential. Otherwise spammers probably will crash your server with a dictionary attack -- it's as simple as this: they have no need to limit how much mail they send at one time, and in fact want to send as fast as possible. - --j. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Exmh CVS iD8DBQE/nt2aQTcbUG5Y7woRAl7wAJ9Dy68luCO0hSrRHcTWT2/aGb4KowCgr3UG G41/Rs0HEvpGM/4Dvu109U0= =9nyA -----END PGP SIGNATURE----- ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ Spamassassin-talk mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/spamassassin-talk
