On Mon, Jul 19, 2004 at 02:14:38PM +0200, Zenon Panoussis wrote: > > Hello everyone. > > I started a node on a machine with lots of bandwidth and a very > lousy I/O subsystem. Not much else is going on on the machine, so > without freenet the load is steadily between 0.01 and 0.10. When > freenet runs, the load is constantly around 3.50, with peaks > reaching well above 5.00. The system latency caused by these > loads gets other stuff to malfunction; for instance, mail server > queries to LDAP time out and result in "service temporarily > unavailable" errors. Obviously, such things become a show stopper > for freenet.
Strange. What is your logLevel ? > > The machine is a Celeron 2.4 GHz with 512 MB RAM running RHEL3 > with Sun java 1.4.2_05. > > I reduced maxNodeConnections to 85 from the default 200 in the > hope to reduce the number of java instances, but that didn't help > much. Won't make much difference. The setting you want is maximumThreads. > I also set diagnosticsPath=/dev/null to stop the constant > writing on disk (is there a better way to say "disable stats, > I don't need them"?) and that didn't help much either. You do. The node uses them for estimating load. My long-lived unstable node's stats dir is 3MB, as is my long-lived stable node's stats dir. It's not a problem. > > So I'm asking for advice from those more experienced with freenet: > what can I do to reduce the load? More specifically, how can I > reduce the number of java instances running? With my current > settings (most else at default), I have 96 java processes eating > away everything on the machine and the machine itself too. Set maximumThreads=60 (remove the leading %), logLevel=error, and doCPULoad=true (is your node pegged on CPU, or just on I/O? what's the idle % typically?). -- Matthew J Toseland - [EMAIL PROTECTED] Freenet Project Official Codemonkey - http://freenetproject.org/ ICTHUS - Nothing is impossible. Our Boss says so.
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