No, because its only looking for the email address because it wants to send an email to that user.
On Wed, Aug 1, 2012 at 9:24 AM, Andrew Melo <andrew.m...@gmail.com> wrote: > On Wed, Aug 1, 2012 at 11:22 AM, Slide <slide.o....@gmail.com> wrote: >> This is a huge issue with the email-ext plugin as well when it does >> email address resolution. Quite a number of people have complained >> about how long it takes. I have yet to come up with a good solution. >> The perforce plugin has a similar issue. > > If I just stick a dummy address in every user's profile, will that work? > >> >> slide >> >> On Wed, Aug 1, 2012 at 9:17 AM, Vojtech Juranek <vjura...@redhat.com> wrote: >>> Looks like you it does search for user's email: >>> hudson.scm.SubversionMailAddressResolverImpl.findMailAddressFor >>> and spends time parsing changelogs: >>> hudson.scm.SubversionChangeLogParser.parse >>> >>> I guess you have quite large instance, otherwise this operation would be >>> quite >>> fast. >>> If you have some job, which has set up option to send an email to devs who >>> broke the build, if the user hasn't specified an email, Jenkins tries to >>> find it >>> e.g. in git or SVN changelogs and search all projects and builds so if you >>> have large instance with several dozen thousands of builds if can take >>> pretty >>> long time. >>> >>> You can fix it by setting up correct email for the user. >>> If you have installed git plugin, make sure you have 1.1.16 (I hope it was >>> fixed in this version) or higher. Git plugin made this search even if the >>> user >>> has set up email correctly >>> >>> On Wednesday 01 August 2012 10:56:43 Andrew Melo wrote: >>>> On Wed, Aug 1, 2012 at 10:36 AM, Vojtech Juranek <vjura...@redhat.com> >>> wrote: >>>> > On Wednesday 01 August 2012 10:07:15 Andrew Melo wrote: >>>> >> On Wed, Aug 1, 2012 at 9:48 AM, Vojtech Juranek <vjura...@redhat.com> >>> wrote: >>>> >> > quick way how to look what the thread consuming CPU is doing is to do >>>> >> > thread dump (e.g. using jstack $PID) and use top with threads on (H >>>> >> > option) and then look up, see e.g. >>>> >> > http://code.nomad-labs.com/2010/11/18/identifying-which-java-thread-is- >>>> >> > consuming-most-cpu/ >>>> >> >>>> >> I see. I apparently don't have jstack on this machine :/. Does it only >>>> >> come with the JDK, or can I find it somewhere on the JRE? Once I find >>>> >> the offending thread, should it be pretty obvious what it does? >>>> > >>>> > jstack is part of JDK >>>> > >>>> > you can see the stack trace via Jenkins UI navigating to >>>> > $JENKINS_URL/threadDump but not sure if your (or any) Jenkins version >>>> > provides thread IDs. >>>> > >>>> > >>>> > Once you identify the offending thread, it should be obvious what it does >>>> > (but it may not be obvious why it does what it does:-) >>>> >>>> Okay, I installed the jdk, and I looked some more. >>>> >>>> Using top, I see one jenkins thread taking the lionsshare of the time: >>>> >>>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >>>> 24580 jenkins 25 0 3246m 743m 18m R 88.6 24.7 790:53.39 java >>>> 24591 jenkins 15 0 3246m 743m 18m S 0.0 24.7 40:14.51 java >>>> 25163 jenkins 15 0 3246m 743m 18m S 0.0 24.7 28:21.42 java >>>> 24601 jenkins 15 0 3246m 743m 18m S 0.0 24.7 27:24.95 java >>>> 24581 jenkins 15 0 3246m 743m 18m S 0.0 24.7 26:39.58 java >>>> 24589 jenkins 18 0 3246m 743m 18m S 0.2 24.7 24:41.60 java >>>> 24604 jenkins 15 0 3246m 743m 18m S 0.0 24.7 23:47.46 java >>>> 24603 jenkins 15 0 3246m 743m 18m S 0.6 24.7 17:05.23 java >>>> 24484 jenkins 15 0 3246m 743m 18m S 0.4 24.7 14:45.39 java >>>> 24612 jenkins 18 0 3246m 743m 18m S 0.0 24.7 11:50.45 java >>>> 24610 jenkins 15 0 3246m 743m 18m S 0.0 24.7 10:34.41 java >>>> 24564 jenkins 15 0 3246m 743m 18m S 0.0 24.7 8:56.60 java >>>> 24602 jenkins 15 0 3246m 743m 18m S 0.0 24.7 8:30.98 java >>>> 24565 jenkins 16 0 3246m 743m 18m S 11.5 24.7 8:22.85 java >>>> 24609 jenkins 15 0 3246m 743m 18m S 0.0 24.7 8:12.30 java >>>> 24582 jenkins 15 0 3246m 743m 18m S 0.6 24.7 3:48.67 java >>>> 24590 jenkins 15 0 3246m 743m 18m S 0.0 24.7 3:24.27 java >>>> 24579 jenkins 15 0 3246m 743m 18m S 0.0 24.7 3:22.16 java >>>> 24486 jenkins 15 0 3246m 743m 18m S 0.0 24.7 2:33.77 java >>>> 24973 jenkins 15 0 3246m 743m 18m S 0.0 24.7 2:18.32 java >>>> 24983 jenkins 15 0 3246m 743m 18m S 0.0 24.7 2:07.91 java >>>> 24838 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:38.35 java >>>> 24845 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:32.56 java >>>> 25037 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:16.63 java >>>> 25038 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:07.00 java >>>> 24491 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:05.38 java >>>> 24611 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:02.82 java >>>> 24488 jenkins 15 0 3246m 743m 18m S 0.0 24.7 1:00.30 java >>>> >>>> >>>> Then if I run jstack, I get the following backtrace: >>>> >>>> https://gist.github.com/3228105 >>>> >>>> Does that look useful at all? >>>> >>>> Thanks, >>>> Andrew >> >> >> >> -- >> Website: http://earl-of-code.com > > > > -- > -- > Andrew Melo -- Website: http://earl-of-code.com
