Date: Tue, 27 Dec 2005 21:22:42 -0400 (AST) From: "Marc G. Fournier" <scrappy@hub.org> To: freebsd-questions@freebsd.org Subject: "Load Balancing": How Busy are the servers? Message-ID: <20051227211433.J1087@ganymede.hub.org>
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Two part question here ... first leads into the second, and the second might answer the first ... 1. What variables on a server should be monitored to determine how busy a server is? For instance, I've always been taugth that 'loadavg' is not an indication of how busy a server is, since a high loadavg on a single CPU server might be an overloaded server, but moderately loaded on a dual CPU server ... disk i/o, cpu usage, ethernet throughput ... what else? 2. Are there any tools that I can run to give me a point in time "summary" of how busy a server is based on these several factors? Basically, I'd like to keep track of multiple servers and be able to say "this server is running >75% of capacity, time to upgrade or move things off of it" ... if its possible ... ? thanks ... ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664
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