Get a thread dump from the jenkins process. kill -QUIT <jenkins pid> Attach to jenkins with VisualVM. are you out of heap and Garbage Collecting really hard? Might need to increase your java heap.
On Mon, Apr 15, 2013 at 9:40 AM, Eric Blom <er...@piap.com> wrote: > Hello Everyone, > > I'm new to Jenkins and Java and am looking for some tips on how to debug > my Jenkins server hanging. When I say hanging I mean that the Jenkins web > page does not load. No errors are returned the page just continuously loads > but nothing appears. > > My Jenkins server current "hang time" is a little over an hour: > * Load at 1.02 / 99.8% CPU Load And Holding For 1 Hour > > Configuration > * Jenkins: 1.480.3 (LTS) > * OS: Red Hat 4.1.2-46 > * Nodes: ~20 distributed globally > * Jobs: ~100 > > Since all HTTP interfaces are hung I've been looking for a helpful log > file on the server but haven't found one. When I look in the Jenkins home > directory I see that no files have been modified for the past hour (while > the load is at ~1.0). The last file to be modified was ThinBackup Worker > Thread.log. 17 minutes before that nearly all of the node logs were > updated. > > Other services on the machine, such as Apache and MySQL, are responding > normally. > > Any suggestions on how to debug this would be greatly appreciated. As soon > as the server comes back I'm going to uninstall ThinBackup, but, I'd like > to learn what exactly Jenkins has been trying to do for the past hour. > > Cheers, > Eric > > -- > 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-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- 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-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
