On Wednesday 11 May 2011 02:31:51 Dennis Nezic wrote: > On Fri, 6 May 2011 15:55:59 -0400, Dennis Nezic wrote: > > On Fri, 6 May 2011 18:57:13 +0100, Matthew Toseland wrote: > > > On Thursday 05 May 2011 03:26:45 Dennis Nezic wrote: > > > > For the past several builds, I'm not sure exactly when the issue > > > > started, before build01364 at least, my node experiences quite > > > > high disk IO, which bogs down my computer. I think once I left it > > > > alone, and it resolved itself after a few hours, but usually I > > > > have to restart Freenet to make my server more useable. > > > > > > > > My "vmstat 5" reports bi (bytes-in, that is: reading) between > > > > 4000-10000. (Under 100 after I stop Freenet.) > > > > > > > > My graphs[1] show it to be suspiciously periodic, although that > > > > might just be a coincidence. > > > > > > > > Is there some kind of background (periodic) database/datastore > > > > task that might be causing this? My wrapper.log shows no output > > > > during these events, nor does fproxy say that anything is going > > > > on. > > > > > > Active downloads/uploads? > > > > Yep ... a few active downloads -- about 30MBs each. (One got completed > > much earlier in the day -- but nothing unusual was happening during > > the problem peaks.) It happened again last night [2][3], suspiciously > > almost exactly 24 hours after the last time. I didn't stop my node > > this time, and it "fixed" itself (at least the plateau) after over 2 > > hours, although disk IO was still quite high throughout the night [2] > > and early morning. > > > > > > > > [1] > > > > http://dennisn.dyndns.org/guest/pubstuff/freenet-periodic-high-io.jpg > > [2] That's what she said. > > [3] > > http://dennisn.dyndns.org/guest/pubstuff/freenet-periodic-high-io-2.jpg > > It definitely seems daily/periodic... it seems to occur pretty much > every single day at 8pm. It just happened an hour ago, for example, and > resulted in "load average: 7.09, 6.12, 5.38" which seriously bogged > down my system, so I had to kill/restart my node :\. Ideas?
Maybe you could get a stack dump during that period?
signature.asc
Description: This is a digitally signed message part.
_______________________________________________ Support mailing list Support@freenetproject.org http://news.gmane.org/gmane.network.freenet.support Unsubscribe at http://emu.freenetproject.org/cgi-bin/mailman/listinfo/support Or mailto:support-requ...@freenetproject.org?subject=unsubscribe
