This is typically either a canary in the coal mine or the point where your master is so highly loaded that you need to turn off some of the diagnostics that are run automatically.
If you do not have remoting issues, and your master is heavy usage (100's of concurrent builds) then turn it off HTH On Tue 6 Jun 2017 at 13:20, Łukasz Zachulski <[email protected]> wrote: > Hello, > > Analyzing Jenkins' Remoting Component source code and agents' log files > I've found a lot of warnings regarding "*reportStats*". > > > In logs: > 2017-06-05 23:58:55.789+0200 [id=28820] WARNING > h.r.RemoteInvocationHandler$Unexporter#reportStats: The 5 minute average > rate is 309.5±87.0/sec. At the 95% c > onfidence level this is above 100.0/sec. If this message is repeated often > in the logs then seriously consider setting system property > 'hudson.remoting.Remote > InvocationHandler.Unexporter.retainOrigin' to 'false' to trade debug > diagnostics for reduced memory pressure. > 2017-06-06 00:02:25.393+0200 [id=28835] INFO > h.r.RemoteInvocationHandler$Unexporter#reportStats: rate(1min) = > 187.4±166.4/sec; rate(5min) = 278.4±122.9/s > ec; rate(15min) = 281.8±122.3/sec; rate(total) = 18.4±83.2/sec; N = 84,223 > > > I source code > <https://github.com/jenkinsci/remoting/blob/1cf29ce994a6087919e523a8b07d917e8e2075ae/src/main/java/hudson/remoting/RemoteInvocationHandler.java#L688> > : > if (m15Std > 1 && 100 < m15Avg - 2 * m15Std) { > if (tStd > 1 && 100 < tAvg - 2 * tStd) { > logger.log(Level.SEVERE, > retainOrigin ? > "The all time average rate is > {0,number,0.0}±{1,number,0.0}/sec. " > + "The 15 minute average rate is > {2,number,0.0}±{3,number,0.0}/sec. " > + "At the 95% confidence level > both are above 100.0/sec. " > + "If this message is repeated > often in the logs then PLEASE " > + "seriously consider setting > system property ''hudson.remoting" > + > ".RemoteInvocationHandler.Unexporter.retainOrigin'' to " > + "''false'' to trade debug > diagnostics for reduced memory " > + "pressure." > : "The all time average rate is > {0,number,0.0}±{1,number,0.0}/sec. " > + "The 15 minute > average rate is {2,number,0.0}±{3,number,0.0}/sec. " > + "At the 95% > confidence level both are above 100.0/sec. ", > new Object[]{tAvg, tStd, m15Avg, m15Std}) > > > > But I haven't find anything about on Remoting Configuration page > <https://github.com/jenkinsci/remoting/blob/master/docs/configuration.md> > where "*Unexporter*.*retainOrigin*" is not mentioned at all. > > For what purpose does "RemoteInvocationHandler$Unexporter#*reportStats*" > report this data? > What does "*retainOrigin*" flag do? > When should I explicitly disable "*retainOrigin"* as asked. > > > With Regards, > Lukasz. > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-dev/8fa770c3-458d-4d78-8287-38f9795a25d5%40googlegroups.com > <https://groups.google.com/d/msgid/jenkinsci-dev/8fa770c3-458d-4d78-8287-38f9795a25d5%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Sent from my phone -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/CA%2BnPnMwQNdyXetyi1kKve3ZrzwQWRVN5u%2Bo0SzjCpCEbJD09tQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
