From: "Len DiMaggio" <ldimaggi(a)redhat.com&gt; To: "rawagner" <rawagner(a)redhat.com&gt; Sent: Monday, May 4, 2015 2:26:51 PM Subject: Re: [jbosstools-dev] JBDS9/Mars Performance Hi Rasta!, Thanks for following up on this with Max, as we expected - he had more followup questions. ;-) Are you able to devote a consistent level of time to performance tests for the next several weeks? -- Len

----- Original Message ----- | From: "Max Rydahl Andersen" <manderse(a)redhat.com&gt; | To: "Rastislav Wagner" <rawagner(a)redhat.com&gt; | Cc: "jbosstools-dev" <jbosstools-dev(a)lists.jboss.org&gt; | Sent: Monday, May 4, 2015 5:59:30 AM | Subject: Re: [jbosstools-dev] JBDS9/Mars Performance | > I have a few things I'd like to ask/discuss about performance. | I'm cc'ing this on jbosstools-dev@ so those who are working on the | related issues can chime in too. | > 1) I heard that you know about some performance issues in latest | > JBDS/Eclipse builds. Could you point me to where can I find details | > about those issues ? | we have multiple reports over the last releases that our CDI and JPA | tooling gets slow on large projects. | Latest one was discussed on irc: | http://transcripts.jboss.org/channel/irc.freenode.org/%23jbosstools/2015/... | (look for "attiand") | > 2) I'm just running performance tests for JBDS9 Alpha2 and will update | > mojo doc once I have the results. | which doc exactly ? | > 3) Have you noticed that "UI Responsiveness monitoring" was added in | > Mars M6? (you can find it in Preferences->General->Tracking). It would | > be cool to use it but the question is what treshold should I use ? | > I was thinking something around 1second, longer jobs shouldn't be | > running in UI thread. | +100 | > 4) The last thing - I'm playing with a few projects in workspace | > (50+-, mostly eclipse plugins) and when I change required-bundle in | > MANIFEST whole Eclipse will freeze for 20seconds. | > I will have to investigate further, but is there any Dev I could talk | > to about similar performance issues which are (not yet) related to any | > component ? | Snjezana tend to be good at finding causes, but performance is important | for us all, so ask away here in jbosstools-dev and #jbosstools chat. | First you should do is grab a a few jstack's of that eclipse when it is | freezing and see what is showing up in the stack trace. | If that does not reveal anything connect a profiler (jvisualvm might be | enough) to spot the hotspots for your case. | /max | http://about.me/maxandersen | _______________________________________________ | jbosstools-dev mailing list | jbosstools-dev(a)lists.jboss.org | https://lists.jboss.org/mailman/listinfo/jbosstools-dev -- Len DiMaggio (ldimaggi(a)redhat.com) JBoss by Red Hat 314 Littleton Road Westford, MA 01886 USA tel: 978.392.3179 cell: 781.472.9912 http://www.redhat.com http://community.jboss.org/people/ldimaggio