@Dennys Hsieh How many executors you have configured on the master node? On Wednesday, April 20, 2016 at 9:13:47 AM UTC+3, Daniel Beck wrote: > > Would be interesting to know what's the output of /threadDump when this is > going on. 18 builds is much less than Jenkins should be able to handle. > > > On 20.04.2016, at 06:45, dennys <dennys...@gmail.com <javascript:>> > wrote: > > > > We use 1 Jenkins and 30 Jenkins slaves. > > (Jenkins master doesn't build code, only slaves build code.) > > But when there are about 18 build jobs at the same time, Jenkins will > hang > > for a while. > > > > Jenkins master has 16 cores and the CPU loading is about 50% when the > server > > is hang. > > The following is the JVM parameter, is there any suggestion for it? > > > > -Xms4096m > > -Xmx4096m > > -XX:MaxPermSize=800M > > -XX:+UseParallelOldGC > > -XX:+HeapDumpOnOutOfMemoryError > > -Dorg.eclipse.jetty.server.Request.maxFormContentSize=5000000 > > > > > > > > -- > > View this message in context: > http://jenkins-ci.361315.n4.nabble.com/How-many-jobs-can-handle-by-Jenkins-master-tp4808004.html > > > Sent from the Jenkins users mailing list archive at Nabble.com. > > > > -- > > You received this message because you are subscribed to the Google > Groups "Jenkins Users" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to jenkinsci-use...@googlegroups.com <javascript:>. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/1461127511665-4808004.post%40n4.nabble.com. > > > > For more options, visit https://groups.google.com/d/optout. > > > >
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