On Sunday 04 July 2010 13:37:06 Jep wrote: > Dennis Nezic schreef: > > On Sat, 03 Jul 2010 22:08:52 +0200, Jep wrote: > >>> On Fri, 02 Jul 2010 12:50:00 +0200, Jep wrote: > >>>> Got a freenet node running for no less than a full week and even > >>>> the auto update did its job for the first time. Up til now I had > >>>> to un- and reinstall. > >>>> It disconnected me still, but deleting node.db4o and > >>>> persistent-temp while restarting FN was enough to reconnect. > >>>> > >>>> I noticed it helps somewhat to limit my downloads to exactly 1, > >>>> still CPU usage of java is way too high. > >>>> Allowing java to use only 1 of my dualcore and use of a helper > >>>> program to set javas priority to 'low' or even throttle the process > >>>> is not enough to keep cpu cycles consumption at bay. > >>>> > >>>> My Freenet install is somehow f%^#ed and I've got no idea how to > >>>> repair it. Manual update doesn't work at all, it sees not-existing > >>>> new versions that of course fail to install. Also, an experimental > >>>> downgrade to see if autoupdate works then did not work out. > >>>> Tried it on a second box with pretty much a plain vanilla xp sp3 > >>>> and it gives the same results. > >>>> > >>>> No software firewall, ports are checked opened in the hardware > >>>> router. Sun java 1.6.0_20-b02. > >>>> 512 mB allocated to FN, besides the wrapper version issue there are > >>>> no error msgs in the logs. Don't want to mail those because they > >>>> contain too much ID'ing, the command line update says: > >>>> - Freenet installation found at [....] > >>>> ----- > >>>> - Checking for Freenet JAR updates... > >>>> ----- > >>>> - Checking main jar > >>>> - New main jar found! > >>>> - Checking ext jar > >>>> - New ext jar found! > >>>> - Checking wrapper .exe > >>>> - New wrapper .exe found! > >>>> - Checking wrapper .dll > >>>> - New wrapper .dll found! > >>>> - Checking start.exe > >>>> - New start.exe found! > >>>> - Checking stop.exe > >>>> - New stop.exe found! > >>>> - Checking freenettray.exe > >>>> - New freenettray.exe found! > >>>> The system cannot find the path specified. > >>>> - Checking freenetlauncher.exe > >>>> - New freenetlauncher.exe found! > >>>> ----- > >>>> - New Freenet version found! Installing now... > >>>> ----- > >>>> - Downloading new files... > >>>> Error while handling the CA :java.io.IOException: > >>>> DerValue.getBigInteger, not an > >>>> int 48 > >>>> java.security.cert.CertificateParsingException: > >>>> java.io.IOException: DerValue.ge > >>>> tBigInteger, not an int 48 > >>>> at sun.security.x509.X509CertInfo.<init>(Unknown Source) > >>>> at sun.security.x509.X509CertImpl.parse(Unknown Source) > >>>> at sun.security.x509.X509CertImpl.<init>(Unknown Source) > >>>> at > >>>> sun.security.provider.X509Factory.parseX509orPKCS7Cert(Unknown > >>>> Source ) > >>>> at > >>>> sun.security.provider.X509Factory.engineGenerateCertificates > >>>> (Unknown Source) > >>>> at > >>>> java.security.cert.CertificateFactory.generateCertificates(Unknown > >>>> So urce) > >>>> at Sha1Test.main(Sha1Test.java:52) > >>>> Caused by: java.io.IOException: DerValue.getBigInteger, not an int > >>>> 48 at sun.security.util.DerValue.getBigInteger(Unknown Source) > >>>> at sun.security.x509.SerialNumber.construct(Unknown > >>>> Source) at sun.security.x509.SerialNumber.<init>(Unknown Source) > >>>> at sun.security.x509.CertificateSerialNumber.<init> > >>>> (Unknown Source) at sun.security.x509.X509CertInfo.parse(Unknown > >>>> Source) ... 7 more > >>>> - Error! Freenet update failed, one or more files didn't download > >>>> correctly... > >>>> ----- > >>>> - Cleaning up... > >>>> - Changing file permissions > >>>> ========== > >>>> > >>>> Any suggestion? Thanks. > >> Dennis Nezic schreef: > >>> What's the name of that java profiling program that profiles which > >>> functions all the cpu work is going into? :P > >>> > >>> (Also, during the high-cpu periods, how much memory (out of your > >>> 512mb) is being used?) > >> It's a winz utility called 'Process Lasso', an extended task manager, > >> not something aimed at particularly java. Another one I've used in > >> the past is freeware; 'Process Tamer'. Both help to keep my box at > >> least useable to some extent while java is claiming the whole machine. > >> Both allow for setting priority of apps. PL has added functions like > >> average CPU consumption of a process over time. Of java that's 43%, > >> so very near to the 50% max (1 core of 2). > >> It is not a memory issue it seems. Java takes 103,500 K now. > >> At this moment there's yet another FN version out and update didn't > >> do its job again so Freenet is disconnected & it's back to > >> re-installing once more. > > > > There should be other profiling apps that actually debug the program's > > (freenet's) internal functions -- to see whether the cpu is doing > > garbage collection work, or other dumb things :). > > Thanks for your response, Dennis. > > I doubt I can do much with debugging, I am not a programmer. What would > be a tool to search for? > Am already using JavaRa for cleaning up old versions of Java. > > Any other tips on what I can do to get a functioning node that does > update and doesn't try to take over my machine? > > The new 1258 forced me to wipe the entire FN install once more, > including the whole data folder this time, in order to get FN to connect > to strangers. Even just keeping freenet.ini was enough to let FN sitting > there connecting to 0. > What I find strange is that I seem to have a unique problem, I see no > one else with something similar. And there is nothing unusual with my > hardware router or the xp on the other computer I tried FN on.
That's about the size of it yeah. Auto-update should work fine, even if it's connecting to 0 peers give it a few hours and UOM will pull the new version. If it doesn't, that's a bug, and we need to know about it. Persistent downloads have nothing whatever to do with whether it connects or not. As regards CPU usage, Freenet automatically runs itself at "BELOW_NORMAL", so it should not affect system performance noticeably even when it is using 100% of BOTH cores. Windows will only run it when nothing else wants to run. IMHO it is more common to have problems resulting from heavy disk I/O, especially when filesharing. The above seems to imply you have a *total* of 512MB of RAM for the entire computer. If this is true, it may explain your problems. Is your laptop swapping a lot? XP and Firefox barely fit in 512M, XP and Firefox and Freenet will really struggle...
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