[jbosstools-dev] JBDS9/Mars Performance

[Rastislav Wagner]

----- Original Message -----
> From: "Max Rydahl Andersen" <manderse at redhat.com>
> To: "Rastislav Wagner" <rawagner at redhat.com>
> Cc: "jbosstools-dev" <jbosstools-dev at lists.jboss.org>
> Sent: Monday, May 4, 2015 11:59:30 AM
> Subject: Re: 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/%23jbosstools.2015-04-29.log.html
> (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 ?
this one
https://mojo.redhat.com/docs/DOC-1002291

> 
> > 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.
>
 
Will do. Thanks.

> /max
> http://about.me/maxandersen
>