On Friday 08 May 2009 06:01:06 Juiceman wrote: > > On Wed, May 6, 2009 at 7:12 PM, Matthew Toseland wrote: > > On Wednesday 06 May 2009 19:18:13 Victor Denisov wrote: > >> > Do you have uploads queued as well as downloads? Generally uploads cost a > > bit > >> > more than downloads do with db4o... > >> > >> No, only downloads. Total queued size varied between 25 Mb and 350 Mb in > >> my tests (but actual total file size was often more than reported by > >> Freenet, as some keys stayed at 0% for the duration of the test). > >> > >> Also, to clarify things, no background applications of notice (such as > >> other P2P apps or distributed computing clients) were running during the > >> test. I regularly run Azureus, eMule and I2P, but they all were stopped > >> for the entire duration Freenet was running, as were MySQL and MS SQL > >> Server instances I work on. I also tried disabling my antivirus/personal > >> firewall (Agnitum Outpost Security Suite), but it didn't result in a > >> noticeable improvement in performance. > > > > Okay. And you have plenty of RAM. How big is the node.db4o file? I'm assuming > > it fits very comfortably in RAM, so what we are talking about here are > > *writes*. > > > > Also, the node behaves like this (constant heavy disk i/o making using the > > system very problematic) for a long time, hours on end? Or just for spurts > > now and then? > > > > Please could you get me some debug information? > > > > Set the log level details to freenet.support.PrioritizedSerialExecutor:MINOR > > > > Let the node run for an hour or so. Send me your statistics page and the > > contents of your last log (maybe narrow it down by grep'ing for > > PrioritizedSerialExecutor, hopefully there shouldn't be any keys or anything > > on the output). > > Weird. node.db4o was an insane 375 MB. I deleted it and and added a > bunch of downloads. Now it is less than 10 MB. That definitely > helped some with the disk thrashing. > > I think I found the main problem, and I'm embarrassed to say > apparantly I had xmlspider plugin running and writing GB+ files to the > same disk the node resides on. I turned this off and the disk usage > became manageable. > > I also upgraded my HDD from an older 2 MB cache model to one with 16 > MB and now Freenet is zipping along nicely. > > I did see some errors in the log so I am sending it to Toad for review. > > P.S. I would recommend not installing the xmlspider by default on installs. > > Victor - might this be your issue as well?
ROFL. So that just leaves victor...
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