Date: Fri, 29 Jan 1999 02:07:55 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: dcs@newsguy.com (Daniel C. Sobral) Cc: toasty@home.dragondata.com, hackers@FreeBSD.ORG Subject: Re: High Load cron patches - comments? Message-ID: <199901290207.TAA10419@usr07.primenet.com> In-Reply-To: <36AEFF42.16C1ED0D@newsguy.com> from "Daniel C. Sobral" at Jan 27, 99 08:57:54 pm
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> > These patches limit the number of jobs cron will start per second, with a > > initial burst, a hard limit, as well as a 'burst mode', if the number of > > jobs on the 'to do list' is geting excessively high. > > How do you select which jobs get executed? I fear a DoS attack might > be possible unless you somehow prevent a user to always get the same > "place" in the execution queue. Actually, it seems that his patches deal with the "fairness" issue pretty well. Play computer and look what happens when one user fires a job with great frequency compared to another user. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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